java-stream

130+ posts

Last Updated: 05 April 2025

Java 8 introduces Stream, which is a new abstract layer, and some new additional packages in Java 8 called java.util.stream. A Stream is a s...read more

Java

java-stream

Tutorials

Difference Between map() And flatMap() In Java Stream

Last Updated: 09 January 2025

In Java, the Stream interface has a map() and flatmap() methods and both have intermediate stream operation and return another stream as met ...read more

Technical Scripter 2020

How to find duplicate elements in a Stream in Java

Last Updated: 10 January 2023

Given a stream containing some elements, the task is to find the duplicate elements in this stream in Java.Examples:Input: Stream = {5, 13, ...read more

Java-Collections-Class

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How to Get ArrayList from Stream in Java 8?

Last Updated: 17 July 2024

Given a Stream, the task is to convert this Stream into ArrayList in Java 8. Examples:Input: Stream: [1, 2, 3, 4, 5]Output: ArrayList: [1, ...read more

Collectors toMap() method in Java with Examples

Last Updated: 06 December 2018

The toMap() method is a static method of Collectors class which returns a Collector that accumulates elements into a Map whose keys and valu ...read more

Java-Stream-Collectors

Java-Collectors

Java 8 Streams | Collectors.joining() method with Examples

Last Updated: 17 January 2023

The joining() method of Collectors Class, in Java, is used to join various elements of a character or string array into a single string obje ...read more

Java-Stream-Collectors

Java-Collectors

Stream anyMatch() in Java with examples

Last Updated: 06 December 2018

Stream anyMatch(Predicate predicate) returns whether any elements of this stream match the provided predicate. It may not evaluate the predi ...read more

Java-Stream interface

Stream filter() in Java with examples

Last Updated: 09 July 2024

Stream filter(Predicate predicate) returns a stream consisting of the elements of this stream that match the given predicate. This is an int ...read more

Java-Stream interface

Stream map() in Java with examples

Last Updated: 04 January 2025

Stream map(Function mapper)returns a stream consisting of the results of applying the given function to the elements of this stream.Stream m ...read more

Java-Stream interface

Stream flatMap() in Java with examples

Last Updated: 11 March 2025

Stream flatMap(Function mapper) returns a stream consisting of the results of replacing each element of this stream with the contents of a m ...read more

Stream.max() method in Java with Examples

Last Updated: 06 December 2018

Stream.max() returns the maximum element of the stream based on the provided Comparator. A Comparator is a comparison function, which impose ...read more

Java-Stream interface

Stream sorted() in Java

Last Updated: 06 December 2018

Stream sorted() returns a stream consisting of the elements of this stream, sorted according to natural order. For ordered streams, the sort ...read more

Java-Stream interface

Stream.reduce() in Java with examples

Last Updated: 28 August 2024

In Java, the Stream.reduce() method is used to perform a reduction on the elements of a stream using an associative accumulation function an ...read more

Java-Stream interface

Set to List in Java

Last Updated: 10 June 2022

Given a set (HashSet or TreeSet) of strings in Java, convert it into a list (ArrayList or LinkedList) of strings. In java, Set interface is ...read more

Last Updated: 09 April 2025

Stream was introduced in Java 8, the Stream API is used to process collections of objects. A stream in Java is a sequence of objects that su...read more

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