Java-Stream-programs Archives

Last Updated: 11 December 2018

A stream is a sequence of objects that supports various methods which can be pipelined to produce the desired result. Slice of a Stream means a stream of elements that exi...read more

Java

Program to convert a Set to Stream in Java using Generics

Last Updated: 11 December 2018

Java Set is a part of java.util package and extends java.util.Collection interface. It does not allow the use of duplicate elements and at max can accommodate only one nul...read more

Program to Convert Stream to an Array in Java

Last Updated: 11 December 2018

A Stream is a sequence of objects that support various methods which can be pipelined to produce the desired result.An array is a group of like-typed variables that are re...read more

Program to convert List of String to List of Integer in Java

Last Updated: 13 March 2024

The Java.util.List is a child interface of Collection. It is an ordered collection of objects in which duplicate values can be stored. Since List preserves the insertion o...read more

Program to convert a Map to a Stream in Java

Last Updated: 11 December 2018

A Stream is a sequence of objects that supports various methods which can be pipelined to produce the desired result. Below are various method to convert Map to Stream in ...read more

Program to convert Boxed Array to Stream in Java

Last Updated: 11 December 2018

An array is a group of like-typed variables that are referred to by a common name. An array can contain primitives data types as well as objects of a class depending on th...read more

Program to convert Primitive Array to Stream in Java

Last Updated: 11 December 2018

An array is a group of like-typed variables that are referred to by a common name. An array can contain primitives data types as well as objects of a class depending on th...read more

Program to convert List of Integer to List of String in Java

Last Updated: 11 December 2018

The Java.util.List is a child interface of Collection. It is an ordered collection of objects in which duplicate values can be stored. Since List preserves the insertion o...read more

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, 2, 3, 4, 5]Input: Stream: ['G',...read more

Reverse elements of a Parallel Stream in Java

Last Updated: 11 December 2018

Given a Parallel Stream in Java, the task is to reverse its elements. Examples:Input: Parallel Stream = {11, 22, 33, 44}Output: {44, 33, 22, 11}Input: Parallel Stream = {a...read more

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10 Ways to Create a Stream in Java

Last Updated: 08 March 2024

The Stream API, introduced in Java 8, it is used to process collections of objects. Stream is a sequence of objects, that supports many different methods which can be pipe...read more

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Count occurrence of a given character in a string using Stream API in Java

Last Updated: 29 May 2019

Given a string and a character, the task is to make a function which counts the occurrence of the given character in the string using Stream API.Examples: Input: str = "ge...read more

Java

Java-Stream-programs

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, 4, 21, 13, 27, 2, 59, 59, 34}Ou...read more

Java-Collections-Class

Find the last element of a Stream in Java

Last Updated: 30 July 2024

Given astreamcontaining some elements, the task is to get the last element of theStream in Java.Example:Input:Stream={“Geek_First”, “Geek_2”, “Geek_3”, “Geek_4”, “Geek_Las...read more

Java

Java Programs

Java-Stream-programs

Find the first element of a Stream in Java

Last Updated: 04 April 2020

Given a stream containing some elements, the task is to get the first element of the Stream in Java. Example:Input: Stream = {"Geek_First", "Geek_2", "Geek_3", "Geek_4", "...read more

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Java-Stream-programs