All Java Stream Solutions on Gang of Coders

Total of 161 Java Stream Solutions

How to flatmap a stream of streams in Java?

Java Java 8 Java Stream

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

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

Java Java 8 Java Stream

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

Java 8 stream unpredictable performance drop with no obvious reason

Java Performance Lambda Java Stream Jmh

In Java 8, is there a ByteStream class?

Java Java 8 Byte Java Stream Boxing

Java Stream difference between map and mapToObj

Java Java 8 Java Stream

Mystifying microbenchmark result for stream API on Java 12 vs. Java 8 with -gc true

Java Java Stream Benchmarking Jmh Java 12

Why is shared mutability bad?

Java Java 8 Java Stream Immutability

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

Avoid NoSuchElementException with Stream

Java Java 8 Java Stream Optional

Java 8 lambdas group list into map

Java Java 8 Java Stream

Close Java 8 Stream

Java Java 8 Java Stream

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

Java Java 8 Java Stream Iterable

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

Convert String array to Map using Java 8 Lambda expressions

Java Lambda Functional Programming Java 8 Java Stream

What is the difference between Stream.of and IntStream.range?

Java Java Stream

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

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

Using Java 8's Optional with Stream::flatMap

Java Lambda Java 8 Java Stream

Java 8 list processing - add elements conditionally

Java Collections Java 8 Java Stream

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

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

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

Java Lambda Java 8 Java Stream

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

Java Java 8 Java Stream

How to convert a Java 8 Stream to an Array?

Java Arrays Java 8 Java Stream

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

Java Java 8 Java Stream

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

Java Java 8 Unhandled Exception Java Stream

Does Java SE 8 have Pairs or Tuples?

Java Lambda Functional Programming Java 8 Java Stream

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

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

How to ensure order of processing in java8 streams?

Java Java 8 Java Stream

In Java streams is peek really only for debugging?

Java Java 8 Java Stream Peek

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

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

Fetch first element of stream matching the criteria

Java Java 8 Java Stream

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

Lambda Functional Programming Java 8 Lazy Evaluation Java Stream

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

Difference between Java 8 streams and RxJava observables

Java 8 Java Stream Rx Java Observable

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

Java Lambda Java 8 Java Stream

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

Java List Java 8 Java Stream

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

Find first element by predicate

Java Java 8 Java Stream

Should I always use a parallel stream when possible?

Java Parallel Processing Java 8 Java Stream

Java 8 functional interface with no arguments and no return value

Java Java 8 Java Stream

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

Java Java 8 Java Stream Optional

Java 8 Distinct by property

Java Collections Java 8 Java Stream Distinct Values

Sorting a list with stream.sorted() in Java

Java List Sorting Java Stream

Java 8 Stream with batch processing

Java Java 8 Batch Processing Java Stream

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

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

When should I use streams?

Java Java 8 Java Stream

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

Java Java 8 Java Stream

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

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

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

Java Lambda Java 8 Java Stream

Multiple null checks in Java 8

Java Lambda Java 8 Java Stream Optional

forEach vs forEachOrdered in Java 8 Stream

Java Foreach Java 8 Java Stream

Check instanceof in stream

Java Java 8 Java Stream Instanceof

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

Java Collections Java 8 Java Stream

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

Sum values from specific field of the objects in a list

Java Filter Java 8 Java Stream

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

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

Java Android Java 8 Java Stream

NullPointerException in Collectors.toMap with null entry values

Java Nullpointerexception Java Stream Collectors

Modifying Objects within stream in Java8 while iterating

Java Java 8 Java Stream

Merge lists with stream API

Java List Java 8 Java Stream

Custom thread pool in Java 8 parallel stream

Java Concurrency Parallel Processing Java 8 Java Stream

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

Java Arrays Java 8 Java Stream

How to make a new list with a property of an object which is in another list

Java List Collections Java Stream Guava

How to sum a list of integers with java streams?

Java Java 8 Java Stream

Java 8 Streams FlatMap method example

Java Java 8 Java Stream Flatmap

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

Java 8 Guava Java Stream

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

Java Collections Lambda Java 8 Java Stream

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 do I create an empty Stream in Java?

Java Java Stream Enumerable

Is there any way to reuse a Stream?

Java Java Stream Reusability

How to split a String into a Stream of Strings?

Java Regex Split Java Stream

Java 8 Collectors.toMap SortedMap

Java Lambda Java 8 Java Stream Collectors

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

Java Lambda Java 8 Java Stream

Most efficient way to get the last element of a stream

Java Java 8 Java Stream

Cleanest way to create a Guava Multimap from a Java 8 stream

Java Java Stream Guava

Java 8 stream map on entry set

Java Lambda Java Stream

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

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

Java Java 8 Java Stream

takeWhile() working differently with flatmap

Java Lambda Java Stream Java 9

Can I duplicate a Stream in Java 8?

Java Java 8 Java Stream

Create list of object from another using Java 8 Streams

Java Java Stream

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

Java Collections Java 8 Filtering Java Stream

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

Java Java 8 Java Stream Chunking

Collection to stream to a new collection

Java Java 8 Java Stream

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

Partition a Java 8 Stream

Java Functional Programming Java 8 Java Stream

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

Java Performance Parallel Processing Java 8 Java Stream

Word frequency count Java 8

Java Java 8 Java Stream Word Count

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

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

Java Java 8 Java Stream

java.util.stream with ResultSet

Java Jdbc Lambda Java Stream Jooq

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

Collectors.groupingBy doesn't accept null keys

Java Hashmap Java 8 Java Stream Collectors

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

Java Merge Java 8 Java Stream

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

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

Java Stream Java 8 Java Stream Resource Leak

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

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

How to remove an element of a HashMap whilst streaming (lambda)

Java Dictionary Iterator Java Stream

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

Stream Filter of 1 list based on another list

Java Arraylist Java 8 Java Stream

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

Java Lambda Java 8 Java Stream

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

Take every nth element from a Java 8 stream

Java Java 8 Java Stream