All Java 8 Solutions on Gang of Coders

Total of 453 Java 8 Solutions

Explicitly calling a default method in Java

Java Inheritance Interface Java 8 Default Method

How to flatmap a stream of streams in Java?

Java Java 8 Java Stream

In Java 8, why were Arrays not given the forEach method of Iterable?

Java Arrays Foreach Java 8 Javac

Null safe date comparator for sorting in Java 8 Stream

Java Java 8 Java Stream

Java 8 - omitting tedious collect method

Java Java 8 Java Stream

What is difference between Collection.stream().forEach() and Collection.forEach()?

Java Collections Java 8 Java Stream

will android java support lambda expression in java 8?

Java Android Dalvik Java 8

Java Lambda expressions

Java Lambda Java 8

Swing rendering appears broken in JDK 1.8, correct in JDK 1.7

Java Swing Rendering Nvidia Java 8

Does Java 8 lack a Stream.concat working on a varags of streams?

Java Java 8 Java Stream

Java 8 way to work with an enum

Java Enums Java 8

Concat VS Merge operator

Java Java 8 Rx Java

How does Java 8' new default interface model works (incl. diamond, multiple inheritance, and precedence)?

How do you assign a lambda to a variable in Java 8?

Java Lambda Java 8

Why are new java.util.Arrays methods in Java 8 not overloaded for all the primitive types?

Java Arrays Java 8

How to apply multiple predicates to a java.util.Stream?

Java Lambda Java 8 Java Stream Predicate

How do I get an IntStream from a List<Integer>?

Java Collections Java 8 Java Stream Boxing

How do Java 8 array constructor references work?

Java Arrays Java 8 Method Reference

Is .collect guaranteed to be ordered on parallel streams?

Java List Java 8

In Java 8, is there a ByteStream class?

Java Java 8 Byte Java Stream Boxing

Java 8 Convert given time and time zone to UTC time

Java Java 8 Utc Java Time

Why Instant does not support operations with ChronoUnit.YEARS?

Java Java 8 Openjdk

Java Stream difference between map and mapToObj

Java Java 8 Java Stream

Why is Java 14 not LTS?

Java Java 8 Java 11 Java 14 Lts

Is "Java Concurrency In Practice" still valid?

Java Concurrency Java 8 Java 7

Converting Array to List

Do Java 8 default methods break source compatibility?

Java Java 8 Default Method Forward Compatibility

Getting object with max date property from list of objects Java 8

Java Collections Java 8

How to get 5 years before now

Constructor reference - no warning when generics array is created

Java Generics Java 8 Language Lawyer

Why is shared mutability bad?

Java Java 8 Java Stream Immutability

Java 8 peek vs map

Different generic behaviour when using lambda instead of explicit anonymous inner class

Java Generics Lambda Java 8

Java 8 Streams: multiple filters vs. complex condition

Java Lambda Filter Java 8 Java Stream

Simplest way to print an `IntStream` as a `String`

Java Java 8 Java Stream

Stream and lazy evaluation

Java Java 8 Java Stream

Group by and sum objects like in SQL with Java lambdas?

Java Lambda Java 8 Java Stream

Lazy field initialization with lambdas

Lambda Java 8 Lazy Initialization

Avoid NoSuchElementException with Stream

Java Java 8 Java Stream Optional

Java 8 lambdas group list into map

Java Java 8 Java Stream

java.lang.NullPointerException is thrown using a method-reference but not a lambda expression

Java Lambda Nullpointerexception Java 8 Method Reference

Close Java 8 Stream

Java Java 8 Java Stream

Why does Stream<T> not implement Iterable<T>?

Java Java 8 Java Stream Iterable

Java 11 -- performance regressions against Java 8?

Performance Java 8 Java 11 Microbenchmark Jmh

How to install Java 8 on Mac

Java Macos Java 8 Installation

Is there a jackson datatype module for JDK8 java.time?

Jackson Java 8 Java Time Jackson Modules

Can program developed with Java 8 be run on Java 7?

Java Backwards Compatibility Java 8 Java Server

Java 8 method references: provide a Supplier capable of supplying a parameterized result

Java Java 8 Java Stream

Where is the Java 8 Consumer with more than one argument?

Java C#Lambda Java 8 Java Stream

Java 8 - DateTimeFormatter and ISO_INSTANT issues with ZonedDateTime

Java Java 8 Java Time

CompletableFuture, supplyAsync() and thenApply()

Multithreading Java 8 Concurrency Completable Future Futuretask

Convert String array to Map using Java 8 Lambda expressions

Java Lambda Functional Programming Java 8 Java Stream

Java 8 Lambda: Comparator

Java Lambda Java 8 Comparator

Differences between Java 8 Date Time API (java.time) and Joda-Time

Java Datetime Java 8 Jodatime Java Time

Why use Optional.of over Optional.ofNullable?

Java Java 8 Nullpointerexception Null Optional

Reflection type inference on Java 8 Lambdas

Java Generics Reflection Lambda Java 8

What is sjavac, who is it for and how do I use it?

Java Java 8 Javac Java 9

What's the purpose of partitioningBy

Java Java 8 Collectors

Using lambda to format Map into String

Java Dictionary Lambda Java 8

Missed opportunity to fix JDBC date handling in Java 8?

Java Date Jdbc Java 8

OptionalInt vs Optional<Integer>

Java Generics Java 8 Language Design

Removing Java 8 JDK from Mac

Java Macos Intellij Idea Java 8

How can I create a Java 8 LocalDate from a long Epoch time in Milliseconds?

Java Datetime Java 8 Java Time

Filter Java Stream to 1 and only 1 element

Java Lambda Java 8 Java Stream

How to map to multiple elements with Java 8 streams?

Java Lambda Closures Java 8 Java Stream

Why doesn't java.util.Collection implement the new Stream interface?

Java Lambda Functional Programming Java 8 Java Stream

Java 8 Lambda filter by Lists

Java Lambda Java 8

How to sum values in a Map with a stream?

Java Java 8 Java Stream Generics

New object instantiation when using Java 8 streams

Java Lambda Java 8 Java Stream Method Reference

Transform and filter a Java Map with streams

Java Java 8 Java Stream Collectors

SimpleDateFormat with German Locale - Java 8 vs Java 10+

Java Java 8 Simpledateformat Java 9 Java 10

Why does Java not allow multiple inheritance but does allow conforming to multiple interfaces with default implementations

Java Inheritance Interface Java 8 Abstract

Why does the Java compiler 11 use invokevirtual to call private methods?

Java Java 8 Jvm Javac Java 11

Using Java 8's Optional with Stream::flatMap

Java Lambda Java 8 Java Stream

Does Java 8 Support Closures?

Java Lambda Closures Java 8

Version 1.8 of project facet java does not exist

Java Eclipse Maven M2eclipse Java 8

Java 8 Unsafe: xxxFence() instructions

Java Concurrency Java 8 Unsafe Memory Fences

Java 8 Time API: how to parse string of format "MM.yyyy" to LocalDate

Java Date Java 8 Java Time

How to correctly determine that an object is a lambda?

Java Lambda Java 8

Why there is no BooleanConsumer in Java 8?

Java Function Java 8

In Java 8, transform Optional<String> of an empty String in Optional.empty

Java Java 8 Optional

Is Joda Time deprecated with java 8 Date and Time API? (java.time)

Java 8 Jodatime Deprecated Java Time

How to find distinct rows with field in list using JPA and Spring?

Java Spring Hibernate Jpa Java 8

Java 8 lambda comparator with null value check

Java 8 calculate months between two dates

Java 8 list processing - add elements conditionally

Java Collections Java 8 Java Stream

Java 8 lambda Void argument

Java Lambda Java 8 Void

Difference between `Optional.orElse()` and `Optional.orElseGet()`

Java Java 8 Optional

Why does Iterable<T> not provide stream() and parallelStream() methods?

Java Java 8 Java Stream Iterable

Java8: HashMap<X, Y> to HashMap<X, Z> using Stream / Map-Reduce / Collector

Java Mapreduce Java 8 Java Stream Collectors

Using streams to convert a list of objects into a string obtained from the toString method

Java Java 8 Java Stream

:: (double colon) operator in Java 8

Difference between CompletableFuture, Future and RxJava's Observable

Java Multithreading Asynchronous Java 8 Rx Java

Why are Java Streams once-off?

Java Java 8 Java Stream Api Design

Java 8 List<V> into Map<K, V>

Java Lambda Java 8 Java Stream

WebService Client Generation Error with JDK8

Webservice Client Java 8 Netbeans 8

PermGen elimination in JDK 8

Java Java 8 Jvm Permgen

How to use a Java8 lambda to sort a stream in reverse order?

Java Lambda Java 8 Java Stream

What does the arrow operator, '->', do in Java?

Java Intellij Idea Apache Commons Java 8 Apache Commons-Collection

Java 8 - Best way to transform a list: map or foreach?

Java Java 8 Java Stream

Why is String.chars() a stream of ints in Java 8?

Java String Java 8

Java "lambda expressions not supported at this language level"

Java Intellij Idea Lambda Java 8

How can I count occurrences with groupBy?

Java Functional Programming Java 8

How to convert a Java 8 Stream to an Array?

Java Arrays Java 8 Java Stream

Filter values only if not null using lambda in Java8

Java Lambda Nullpointerexception Null Java 8

Java 8 stream's .min() and .max(): why does this compile?

Java Java 8 Java Stream

What is the reason why “synchronized” is not allowed in Java 8 interface methods?

Java Java 8 Synchronized Default Method Jsr335

Java 8: How do I work with exception throwing methods in streams?

Java Java 8 Unhandled Exception Java Stream

Java 8 - Difference between Optional.flatMap and Optional.map

Java Java 8 Optional

Error:java: javacTask: source release 8 requires target release 1.8

Java Intellij Idea Java 8

Does Java SE 8 have Pairs or Tuples?

Java Lambda Functional Programming Java 8 Java Stream

Unable to obtain LocalDateTime from TemporalAccessor when parsing LocalDateTime (Java 8)

Java Datetime Java 8 Datetime Format

Does a lambda expression create an object on the heap every time it's executed?

Java Lambda Java 8

Limit a stream by a predicate

Java Java 8 Java Stream

Adding up BigDecimals using Streams

Java Bigdecimal Java 8 Java Stream

Java 8 Stream and operation on arrays

Java Arrays Java 8 Java Stream

What's the difference between map() and flatMap() methods in Java 8?

Java Java 8 Java Stream

Java 8 stream reverse order

Java List Sorting Java 8 Java Stream

What Java 8 Stream.collect equivalents are available in the standard Kotlin library?

Java Kotlin Collections Java 8 Java Stream

How to add elements of a Java8 stream into an existing List

Java Java 8 Java Stream Collectors

Java 8: Lambda-Streams, Filter by Method with Exception

Java Exception Handling Lambda Java 8

Is it possible to cast a Stream in Java 8?

Java Java 8 Java Stream

Why is a combiner needed for reduce method that converts type in java 8

Java Java 8 Java Stream

Java 8 forEach with index

Java For Loop Foreach Java 8

Can a java lambda have more than 1 parameter?

Java Lambda Java 8

Move to next item using Java 8 foreach loop in stream

What is the difference between ZoneOffset.UTC and ZoneId.of("UTC")?

Java Datetime Java 8 Java Time

How to ensure order of processing in java8 streams?

Java Java 8 Java Stream

What's the difference between ZonedDateTime and OffsetDateTime?

Java Java 8 Java Time

In Java streams is peek really only for debugging?

Java Java 8 Java Stream Peek

Intellij - Unable to use newer Java 8 classes - Error : "Usage of API documented as @since 1.6+.."

Intellij Idea Java 8

In Java, what are the advantages of streams over loops?

Java Loops Java 8 Java Stream

Should I return a Collection or a Stream?

Java Collections Java 8 Encapsulation Java Stream

Can you split a stream into two streams?

Java Java 8 Java Stream

In Java 8 how do I transform a Map<K,V> to another Map<K,V> using a lambda?

Java Map Lambda Java 8 Java Stream

How to specify function types for void (not Void) methods in Java8?

Why does array[idx++]+="a" increase idx once in Java 8 but twice in Java 9 and 10?

Java Java 8 Javac Java 9 Java 10

What are functional interfaces used for in Java 8?

Java Lambda Java 8 Functional Interface

Generic return type upper bound - interface vs. class - surprisingly valid code

Java Generics Java 8

Adding two Java 8 streams, or an extra element to a stream

Java Concat Java 8 Java Stream

How can I get a List from some class properties with Java 8 Stream?

Java Collections Java 8 Java Stream

Modifying local variable from inside lambda

Java Lambda Java 8

Class has been compiled by a more recent version of the Java Environment

Java Eclipse Selenium Firefox Java 8

How to serialize a lambda?

Java Serialization Lambda Java 8

Fetch first element of stream matching the criteria

Java Java 8 Java Stream

How to convert java.sql.timestamp to LocalDate (java8) java.time?

Java Timestamp Java 8 Localtime Java Time

Can Java 8 code be compiled to run on Java 7 JVM?

Java Jvm Compatibility Java 7 Java 8

Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)

Lambda Functional Programming Java 8 Lazy Evaluation Java Stream

functional interface that takes nothing and returns nothing

Java Function Java 8

How can I turn a List of Lists into a List in Java 8?

Java Collections Java 8

LocalDate to java.util.Date and vice versa simplest conversion?

Java Date Java 8 Java Time

Java 8 Streams - collect vs reduce

Java Java 8 Java Stream

Java 8: performance of Streams vs Collections

Java Performance Collections Java 8 Java Stream

CompletableFuture | thenApply vs thenCompose

Java Java 8 Completable Future

Observer is deprecated in Java 9. What should we use instead of it?

Java Java 8 Deprecated Observer Pattern Java 9

Format a date using the new date time API

Java Datetime Java 8 Java Time

How to convert a LocalDate to an Instant?

Java Datetime Java 8 Java Time

Built-in Java 8 predicate that always returns true?

Java Lambda Java 8 Predicate

Difference between Java 8 streams and RxJava observables

Java 8 Java Stream Rx Java Observable

What is a 'SAM type' in Java?

Java Lambda Java 8 Terminology

Copy a stream to avoid "stream has already been operated upon or closed"

Java Lambda Java 8 Java Stream

Lambda expression vs method reference

Java Intellij Idea Lambda Java 8 Side Effects

Java8: Why is it forbidden to define a default method for a method from java.lang.Object

Java Interface Java 8 Default Method

Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?

Java Lambda Java 8

Understanding Spliterator, Collector and Stream in Java 8

Java Lambda Java 8 Spliterator

How to tell if JRE or JDK is installed

Java Macos Java 8

Format LocalDateTime with Timezone in Java8

Java Java 8 Java Time

Optional orElse Optional in Java

Java Lambda Java 8 Optional Java 9

How do I use the new computeIfAbsent function?

Java Dictionary Lambda Java 8

CompletableFuture<T> class: join() vs get()

Java Java 8 Completable Future

How to set IntelliJ IDEA Project SDK

Java Intellij Idea Java 8 Sdk Java 7

Get last element of Stream/List in a one-liner

Java List Java 8 Java Stream

Why is Cloneable not deprecated?

Java Java 8 Deprecated Cloneable

JSON Java 8 LocalDateTime format in Spring Boot

Java Json Java 8 Spring Boot Java Time

How to work around the stricter Java 8 Javadoc when using Maven

Java Maven Java 8

How to check if a Java 8 Stream is empty?

Java Java 8 Java Stream

How can I create a stream from an array?

Java Arrays Java 8 Java Stream

What is the purpose of the default keyword in Java?

Java Interface Java 8 Default

How to check if element exists using a lambda expression?

Java Java 8 Lambda

Is it possible to use Java 8 for Android development?

Java Android Java 8 Android Gradle-Plugin

Find first element by predicate

Java Java 8 Java Stream

Comparator.reversed() does not compile using lambda

Java Lambda Java 8 Comparator Method Reference

Does Java 8 provide a good way to repeat a value or function?

How to extract epoch from LocalDate and LocalDateTime?

Java Time Java 8 Epoch Java Time

How to debug stream().map(...) with lambda expressions?

Java Debugging Lambda Java 8

Should I always use a parallel stream when possible?

Java Parallel Processing Java 8 Java Stream

When to use: Java 8+ interface default method, vs. abstract method

Java Interface Java 8 Abstract Class Default Method

Java 8 functional interface with no arguments and no return value

Java Java 8 Java Stream

Is there a Collector that collects to an order-preserving Set?

Java Java 8 Collectors

'Optional.get()' without 'isPresent()' check

Java Java 8 Java Stream Optional

Proper usage of Optional.ifPresent()

Java Lambda Java 8 Optional

How to convert ZonedDateTime to Date?

Java Java 8 java.util.date Datetime Conversion Zoneddatetime

What is the difference between static and default methods in a Java interface?

Java Java 8 Interface

How to convert an Instant to a date format?

Java Date Datetime Java 8 Simpledateformat

How to get UTC+0 date in Java 8?

Java Datetime Java 8 Java Time

What is the difference between PermGen and Metaspace?

Java Java 8 Java 7 Permgen Metaspace

When and why would you use Java's Supplier and Consumer interfaces?

Is there any benefit to upgrading Java 7 compiled code to Java 8?

Java Performance Java 8

Java 8 Distinct by property

Java Collections Java 8 Java Stream Distinct Values

Transform Java Future into a CompletableFuture

Java Java 8 Future

Java 8 Lambda function that throws exception?

Java Lambda Java 8

Do lambda expressions have any use other than saving lines of code?

Java Lambda Java 8

Java8 Lambdas vs Anonymous classes

Java Lambda Java 8 Anonymous Class

Why java.util.Optional is not Serializable, how to serialize the object with such fields

Java Serialization Java 8 Optional

What does lambda with 2 arrows mean in Java 8?

Java Lambda Java 8 Currying

Converting between java.time.LocalDateTime and java.util.Date

Java Datetime Java 8 Java Time

What are "sugar", "desugar" terms in context of Java 8?

Java Semantics Java 8

java.util.Objects.isNull vs object == null

Java Java 8 Compare

Group by multiple field names in java 8

Java 8 default methods as traits : safe?

Java Java 8 Traits Default Method

Convert java.util.Date to java.time.LocalDate

Java Datetime Java 8 Java Time

How to convert an Iterator to a Stream?

Java Iterator Java 8

Return from lambda forEach() in java

Java Foreach Lambda Java 8 Return Type

Lambda Expression and generic defined only in method

Java Generics Lambda Java 8

Why should Java 8's Optional not be used in arguments

Java Java 8 Optional

Java 8 Stream with batch processing

Java Java 8 Batch Processing Java Stream

How to convert LocalDate to SQL Date Java?

Java Java 8 Converter Java Time Sqldatetime

Java 8 lambda get and remove element from list

Java Lambda Java 8 Java Stream

Collect successive pairs from a stream

Java Java 8 Java Stream

Why in Java 8 split sometimes removes empty strings at start of result array?

Java Regex Split Java 8

Lambda expression to convert array/List of String to array/List of Integers

Java Arrays Collections Lambda Java 8

Java ternary operator vs if/else in <JDK8 compatibility

Java Java 8 Ternary Operator

Convert LocalDateTime to LocalDateTime in UTC

Java Java 8 Utc Java Time

How to find maximum value from a Integer using stream in Java 8?

Java 8 Java Stream

Why does findFirst() throw a NullPointerException if the first element it finds is null?

Java Java 8 Java Stream Optional

Is there any way to convert ZoneId to ZoneOffset in Java 8?

Java Java 8 Java Time Zoneddatetime java.time.instant

How to get default ZoneOffset in java8?

Java Java 8 Timezone Timezone Offset

When should I use streams?

Java Java 8 Java Stream

What is the difference between putIfAbsent and computeIfAbsent in Java 8 Map ?

Horrendous performance & large heap footprint of Java 8 constructor reference?

Java Constructor Java 8 Out of-Memory Method Reference

Difference between findAny() and findFirst() in Java 8

Java Java 8 Java Stream

HashMap Java 8 implementation

Java Dictionary Java 8 Hashmap

Reverse a comparator in Java 8

Java Sorting Java 8 Comparator Java Stream

Java 8 Iterable.forEach() vs foreach loop

Java For Loop Java 8 Java Stream

Using streams to collect into TreeSet with custom comparator

Java Collections Java 8

Mocking time in Java 8's java.time API

Java Datetime Mocking Java 8 Java Time

Java 8, Streams to find the duplicate elements

Java Lambda Java 8 Java Stream

Why can't I map integers to strings when streaming from an array?

Java Functional Programming Java 8 Java Stream

Why does Collections.sort use Mergesort but Arrays.sort does not?

Java Arrays Sorting Collections Java 8

Java 8: preferred way to count iterations of a lambda?

Java Lambda Java 8 Java Stream

Default garbage collector for Java 8

Java Garbage Collection Java 8

Multiple null checks in Java 8

Java Lambda Java 8 Java Stream Optional

_ (underscore) is a reserved keyword

Java Lambda Java 8

How many threads are spawned in parallelStream in Java 8?

Java Multithreading Java 8 java.util.concurrent

forEach vs forEachOrdered in Java 8 Stream

Java Foreach Java 8 Java Stream

Check instanceof in stream

Java Java 8 Java Stream Instanceof

Java 8: Calculate difference between two ZonedDateTime

Java Date Datetime Java 8 Timezone

In Java 8, why is the default capacity of ArrayList now zero?

Java Arraylist Java 8

How do I keep the iteration order of a List when using Collections.toMap() on a stream?

Java Collections Java 8 Java Stream

How to execute logic on Optional if not present?

Java Java 8 Optional

Registry key Error: Java version has value '1.8', but '1.7' is required

Java Java 8 Sencha Touch Sencha Touch-2 Sencha Cmd

Convert Iterable to Stream using Java 8 JDK

Java Java 8 Java Stream Iterable

Retrieving a List from a java.util.stream.Stream in Java 8

Java Lambda Collections Java 8 Java Stream

Why does Stream.allMatch() return true for an empty stream?

Java Lambda Java 8 Java Stream

Java 8 Stream API to find Unique Object matching a property value

Java Filter Java 8 Java Stream

How should we manage jdk8 stream for null values

Java Null Java 8 Java Stream

What is the "default" implementation of method defined in an Interface?

Java Interface Java 8

Sum values from specific field of the objects in a list

Java Filter Java 8 Java Stream

Java8 java.util.Date conversion to java.time.ZonedDateTime

Java Date Datetime Java 8 Java Time

Remove duplicates from a list of objects based on property in Java 8

Java List Java 8

Collectors.toSet() and HashSet

Java Java 8 Java Stream Collectors

Is there a concise way to iterate over a stream with indices in Java 8?

Java Java 8 Java Stream

When is an interface with a default method initialized?

Java Interface Java 8 Default Method

How to map values in a map in Java 8?

Java Map Lambda Java 8

Java 8 Supplier with arguments in the constructor

Java Lambda Functional Programming Java 8 Functional Interface

Is it possible to use the Java 8 Stream API on Android API < 24?

Java Android Java 8 Java Stream

Java 1.8 ASM ClassReader failed to parse class file - probably due to a new Java class file version that isn't supported yet

Java Spring Java 8

Very confused by Java 8 Comparator type inference

Java Sorting Lambda Java 8 Comparator

Modifying Objects within stream in Java8 while iterating

Java Java 8 Java Stream

How to install openjdk-8-jdk on Debian 10 (Buster)?

Java Java 8 Debian

How to decompile to java files intellij idea

Java Intellij Idea Java 8 Decompiling

Java 8 Lambda Expressions - what about multiple methods in nested class

Java Lambda Java 8 Anonymous Class

Merge lists with stream API

Java List Java 8 Java Stream

Adding new value to existing Stream

Java Java 8 Wildcard

Which free version of Java can I use for production environments and or commercial purposes?

Java Java 8 Azul Zulu Corretto

Custom thread pool in Java 8 parallel stream

Java Concurrency Parallel Processing Java 8 Java Stream

Error:could not create the Java Virtual Machine Error:A fatal exception has occured.Program will exit

Java stream toArray() convert to a specific type of array

Java Arrays Java 8 Java Stream

How to get the MethodInfo of a Java 8 method reference?

Java Reflection Lambda Java 8

How to sum a list of integers with java streams?

Java Java 8 Java Stream

null-safe mapping Comparator using default implementations

Java Java 8 Comparator

forEach loop Java 8 for Map entry set

Java Lambda Java 8

Using JavaFX in JRE 8, “Access restriction” error

Java Eclipse Javafx Java 8

JDK8 - Error "class file for javax.interceptor.InterceptorBinding not found" when trying to generate javadoc using Maven javadoc plugin

Java Maven Java 8 Maven Javadoc-Plugin

Java 8 Streams FlatMap method example

Java Java 8 Java Stream Flatmap

org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 15

Java Eclipse Tomcat Java 8 Classformatexception

Difference between year-of-era and week-based-year?

Java Date Datetime Java 8 Java Time

Get enum values as List of String in Java 8

Java Enums Java 8

A peculiar feature of exception type inference in Java 8

Java Generics Java 8 Type Inference

Why does parallel stream with lambda in static initializer cause a deadlock?

Java Java 8 Deadlock Java Stream Fork Join

Java 8: Formatting lambda with newlines and indentation

Java Eclipse Lambda Java 8 Java Stream

How to use the unsigned Integer in Java 8 and Java 9?

Java Java 8 Unsigned

How do I define a method which takes a lambda as a parameter in Java 8?

Java Lambda Java 8

Are defaults in JDK 8 a form of multiple inheritance in Java?

Java Interface Closures Multiple Inheritance Java 8

Is there a way to compare lambdas?

Java Lambda Java 8

Java 8 Filter Array Using Lambda

Java Lambda Java 8

Is there an equivalent of Scala's Either in Java 8?

Java Scala Java 8

How can I collect a Java 8 stream into a Guava ImmutableCollection?

Java 8 Guava Java Stream

Why does this Java 8 lambda fail to compile?

Java Lambda Compiler Errors Java 8 Void

Monads with Java 8

Java Java 8 Monads Optional

Collectors.toMap() keyMapper -- more succinct expression?

Java Collections Lambda Java 8 Java Stream

How to get a range of items from stream using Java 8 lambda?

Java Filter Lambda Java 8

Chaining Optionals in Java 8

Java Lambda Java 8 Optional

How do I turn a Java Enumeration into a Stream?

Java Java 8 Java Stream

How to concatenate a string with the new 1.8 stream API

Java Java 8 Java Stream

How to parse/format dates with LocalDateTime? (Java 8)

Java Datetime Java 8 Timestamp Java Time

What's the difference between Instant and LocalDateTime?

Java Datetime Java 8 Jsr310

How to negate a method reference predicate

Java Predicate Java 8 Negate

Is there a method reference for a no-op (NOP) that can be used for anything lambda?

Java Lambda Functional Programming Java 8

Maximum size of a method in Java 7 and 8

Java Java 7 Java 8

Can an interface method have a body?

Java Interface Java 8 Default Implementation

What is the difference between year and year-of-era?

Java 8 Java Time

long timestamp to LocalDateTime

Java Java 8 Timestamp Java Time

Convert java.time.LocalDate into java.util.Date type

Java Java 8 Java Time

Is method reference caching a good idea in Java 8?

Java Caching Java 8 Method Reference

Tomcat 8 Maven Plugin for Java 8

Tomcat Java 8 Maven Tomcat-Plugin Tomcat8

LocalDateTime remove the milliseconds

Java Database Date Java 8

How can I mock java.time.LocalDate.now()

Java Java 8 Java Time Systemtime

How to convert from Instant to LocalDate

Java 8 Localdate java.time.instant Java Time

Why can't I get a duration in minutes or hours in java.time?

Java Java 8 Java Time

How to compare LocalDate instances Java 8

Date Compare Java 8

Java 8 Collectors.toMap SortedMap

Java Lambda Java 8 Java Stream Collectors

Java 8 CompletableFuture.allOf(...) with Collection or List

Java Java 8 Completable Future

Lambdas: local variables need final, instance variables don't

Java Lambda Java 8 Final

String Deduplication feature of Java 8

Java String Java 8

Why filter() after flatMap() is "not completely" lazy in Java streams?

Java Lambda Java 8 Java Stream

Precise definition of "functional interface" in Java 8

Java Lambda Java 8 Abstract Functional Interface

What kind of List<E> does Collectors.toList() return?

Java List Lambda Java 8 Collectors

Iterate an Enumeration in Java 8

Java Lambda Iteration Enumeration Java 8

Java 8 method reference unhandled exception

Java Lambda Java 8

Most efficient way to get the last element of a stream

Java Java 8 Java Stream

Get date of first day of week based on LocalDate.now() in Java 8

Java 8: How to create a ZonedDateTime from an Epoch value?

Java Java 8 Epoch Zoneddatetime

Java 8 date-time: get start of day from ZonedDateTime

Java Datetime Java 8 Java Time

Why does \R behave differently in regular expressions between Java 8 and Java 9?

Java Regex Unicode Java 8 Java 9

Why does this Java 8 program not compile?

Java Generics Type Inference Java 8

Java8 Lambdas and Exceptions

Java Lambda Java 8

Throwing exception from CompletableFuture

Java Exception Exception Handling Java 8 Completable Future

Why is StringBuilder#append(int) faster in Java 7 than in Java 8?

Java Performance Java 7 Java 8 Jmh

Unit testing a class with a Java 8 Clock

Java Unit Testing Java 8 Java Time

Recursive ConcurrentHashMap.computeIfAbsent() call never terminates. Bug or "feature"?

Java Recursion Java 8 Concurrenthashmap

Why does the new Java 8 Date Time API not have nanosecond precision?

Java Java 8 Java Time

How to convert an Optional<T> into a Stream<T>?

Java Java 8 Java Stream Optional

Stream Way to get index of first element matching boolean

Java Java 8 Java Stream

Lambda this reference in java

Java Lambda Java 8

Is mapToDouble() really necessary for summing a List<Double> with Java 8 streams?

Java Java 8 Java Stream

What does the -> <- operator do?

Java Syntax Lambda Obfuscation Java 8

Why StringJoiner when we already have StringBuilder?

Java String Java 8 Stringbuilder

Optional vs. null. What is the purpose of Optional in Java 8?

Stream.peek() method in Java 8 vs Java 9

Java Lambda Java 8 Java 9 Peek

Break or return from Java 8 stream forEach?

Java Foreach Lambda Java 8

How to get milliseconds from LocalDateTime in Java 8

Java Datetime Java 8 Milliseconds Java Time

Can I duplicate a Stream in Java 8?

Java Java 8 Java Stream

Java 8 pass method as parameter

Java Lambda Java 8 Method Reference

Java 8: sort list of objects by attribute without custom comparator

List Sorting Lambda Java 8

Android Studio Error: Error:CreateProcess error=216, This version of %1 is not compatible with the version of Windows you're running

Java Android Android Studio Java 8 Android Studio-2.2

Throw an exception if an Optional<> is present

Convert between LocalDate and sql.Date

Java Date Java 8 Java Time Converters

Can Java 8 Streams operate on an item in a collection, and then remove it?

Java Collections Java 8 Filtering Java Stream

Difference between final and effectively final

Java Lambda Inner Classes Final Java 8

No IDEA annotations attached to the JDK 1.8 (C:\...), some issues will not be found

Java Android Studio Java 8 Android Studio-3.1

How to create an infinite stream with Java 8

Is there an elegant way to process a stream in chunks?

Java Java 8 Java Stream Chunking

Java Lambda Stream Distinct() on arbitrary key?

Java Lambda Java 8

Why are Java 8 lambdas invoked using invokedynamic?

Java Lambda Jvm Java 8 Bytecode

Lambda that does absolutely nothing

Java Lambda Java 8 Runnable

UnsupportedOperationException - Why can't you call toInstant() on a java.sql.Date?

Java Java 8 Java Time

Collection to stream to a new collection

Java Java 8 Java Stream

Is there a class in java.time comparable to the Joda-Time Interval?

Java 8 Jodatime Java Time

DateTimeFormatter Support for Single Digit Day of Month and Month of Year

Java Date Java 8 Java Time

Why is Arrays.fill() not used in HashMap.clear() anymore?

Java Arrays Hashmap Java 8

How to compare equality of lists of arrays with modern Java?

Java Arrays List Java 8 Equals

Modify property value of the objects in list using Java 8 streams

Java 8 Java Stream

Null safe Collection as Stream in Java 8

Java Collections Null Java 8 Java Stream

Java 8 Boolean.logicalOr method

Catching multiple exceptions in Java-8

Java Exception Java 8 Try Catch

How do I convert a Java 8 IntStream to a List?

Java 8: Mandatory checked exceptions handling in lambda expressions. Why mandatory, not optional?

Java Lambda Checked Exceptions Java 8

Splitting List into sublists along elements

Java List Java 8 Collectors

Moving from JDK 1.7 to JDK 1.8 on Ubuntu

Java Linux Ubuntu Java 8

Why is "final" not allowed in Java 8 interface methods?

Java Language Design Java 8 Default Method Jsr335

Unable to install java8 with homebrew

Java Macos Java 8 Homebrew

Implement recursive lambda function using Java 8

Java Recursion Lambda Java 8

Hashmap with Streams in Java 8 Streams to collect value of Map

Java Hashmap Java 8 Collectors

Partition a Java 8 Stream

Java Functional Programming Java 8 Java Stream

Default method returns true for a while, and then returns false? (Possible JVM bug)

Java Inheritance Interface Java 8

What are the differences between abstract classes and interfaces in Java 8?

Java Interface Abstract Class Java 8 Diamond Problem

Java 8's streams: why parallel stream is slower?

Java Performance Parallel Processing Java 8 Java Stream

Why are class static methods inherited but not interface static methods?

Java Inheritance Java 8 Interface Static Methods

Word frequency count Java 8

Java Java 8 Java Stream Word Count

Java 8: Difference between two LocalDateTime in multiple units

Java Date Datetime Java 8 Difference

Java 8 stream map to list of keys sorted by values

Java Collections Lambda Java 8 Java Stream

Java 8 Stream Collecting Set

Java Java 8 Java Stream

Java 8 Stream: difference between limit() and skip()

Java Java 8 Limit Java Stream Skip

Trouble using ScrollableResults-backed Stream as return type in Spring MVC

Java Hibernate Java 8 Spring Orm Open Session-in-View

Want to create a stream of characters from char array in java

Java Java 8 Java Stream

How to use if-else logic in Java 8 stream forEach

Java Java 8 Java Stream

Understanding deeply spliterator characteristics

Java Java 8 Java Stream Spliterator

Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.code.TypeTags when using lombok

Maven Java 8 Maven Plugin Lombok

Why should one use Objects.requireNonNull()?

Java Java 8 Nullpointerexception

How to calculate the number of days in a period?

How to use Java 8 Optionals, performing an action if all three are present?

Java Java 8 Optional

"Why Apache Harmony" or "How to use Java 8 on Android"

Java Android Apache Java 8

Collectors.groupingBy doesn't accept null keys

Java Hashmap Java 8 Java Stream Collectors

Implementing two interfaces with two default methods of the same signature in Java 8

Java Interface Java 8

Merging two Map<String, Integer> with Java 8 Stream API

Java Merge Java 8 Java Stream

What is the use of MetaSpace in Java 8?

Java Garbage Collection Java 8

Calculate days between two Dates in Java 8

Java Java 8 Java Time Days Date Difference

How can I throw CHECKED exceptions from inside Java 8 streams?

Java Lambda Java 8 Java Stream Checked Exceptions

Ignore duplicates when producing map using streams

Java Java 8 Java Stream

How to use JDK without JRE in Java 11

Java Java 8 Migration Java 11

Why does String.replaceAll() work differently in Java 8 from Java 9?

Java Regex String Java 8 Java 9

Should Java 8 getters return optional type?

Java Java 8 Nullable Optional

Using Jackson ObjectMapper with Java 8 Optional values

Java Jackson Java 8

Why is Files.lines (and similar Streams) not automatically closed?

Java Stream Java 8 Java Stream Resource Leak

Java 8 LocalDate - How do I get all dates between two dates?

Java Date Java 8 Java Time

Runnable::new vs new Runnable()

Java Java 8 Runnable Constructor Reference

Maven is not working in Java 8 when Javadoc tags are incomplete

Java Maven Migration Java 8 Javadoc

Uses for Optional

Java Java 8 Optional

Should I use Java8/Guava Optional for every method that may return null?

Java Guava Optional Java 8

Android Studio - supplied javaHome is not a valid folder

Java Android Studio Java 8

Sorting by property in Java 8 stream

Java Sorting Lambda Java 8 Java Stream

Iterator versus Stream of Java 8

Java Java 8 Domain Driven-Design Java Stream Domain Model

Why do Consumers accept lambdas with statement bodies but not expression bodies?

Java Lambda Java 8 Type Inference

Functional style of Java 8's Optional.ifPresent and if-not-Present?

Java Functional Programming Java 8 Optional

Get value from one Optional or another

Java Java 8 Optional

Jackson deserialize ISO8601 formatted date-time into Java8 Instant

Java Json Datetime Jackson Java 8

Why does the Duration class not have 'toSeconds()' method?

Java Java 8 Api Design Java Time

How to set format of string for java.time.Instant using objectMapper?

Java Java 8 Jackson Java Time Objectmapper

Java Casting: Java 11 throws LambdaConversionException while 1.8 does not

Java Eclipse Java 8 Java 11 Vaadin Flow

installing JDK8 on Windows XP - advapi32.dll error

Java Dll Java 8 Windows Xp

Convert between LocalDate and XMLGregorianCalendar

Java Java 8 Converter Java Time

A better approach to handling exceptions in a functional way

Java Java 8 Java Stream

Java 8 apply function to all elements of Stream without breaking stream chain

Java Java 8 Java Stream Chaining

Why can't we call Thread#sleep() directly inside a Lambda function?

Java Multithreading Lambda Java 8

Default interface methods are only supported starting with Android 7.0 (Nougat)

Android Java 8 Kotlin

Annotating the functional interface of a Lambda Expression

Java Lambda Annotations Java 8

Unable to obtain ZonedDateTime from TemporalAccessor using DateTimeFormatter and ZonedDateTime in Java 8

Java Timezone Java 8 Datetime Format Java Time

How to check if exists any duplicate in Java 8 Streams?

Java Java 8 Duplicates Java Stream

Java stream map and collect - order of resulting container

Java List Java 8 Java Stream

UnsupportedTemporalTypeException when formatting Instant to String

Java Datetime Java 8 Datetime Format Java Time

Stream Filter of 1 list based on another list

Java Arraylist Java 8 Java Stream

Difference in behaviour of the ternary operator on JDK8 and JDK10

Java Java 8 Javac Unboxing Java 10

Java 8 lambdas, Function.identity() or t->t

Java Lambda Java 8 Java Stream

How will Java lambda functions be compiled?

Java Lambda Java 8

What is the Java equivalent for Enumerable.Select with lambdas in C#?

JPA support for Java 8 new date and time API

Java Jpa Java 8 Jpa 2.1 Java Time

Performance difference between Java 8 lambdas and anonymous inner classes

Java Performance Closures Java 8

Stream of boolean values, is any true?

Java Lambda Parallel Processing Java 8 Java Stream

Java stream - Sort a List to a HashMap of Lists

Java Java 8 Hashmap Java Stream

Java 8 toMap IllegalStateException Duplicate Key

Java Java 8 Java Stream Collectors

Java 8 Lambda Stream forEach with multiple statements

Java Lambda Java 8

Take every nth element from a Java 8 stream

Java Java 8 Java Stream