Java-Functions

4.1k+ posts

Java Exercises - Basic to Advanced Java Practice Programs with Solutions

Last Updated: 02 January 2025

Looking for Java exercises to test your Java skills, then explore our topic-wise Java practice exercises? Here you will get 25 plus practic...read more

Output of Java Program

Java

Java-Library

Java-Output

Optional ofNullable() method in Java with examples

Last Updated: 30 July 2019

The ofNullable() method of java.util.Optional class in Java is used to get an instance of this Optional class with the specified value of th ...read more

Difference between static and non-static method in Java

Last Updated: 30 June 2023

A static method is a method that belongs to a class, but it does not belong to an instance of that class and this method can be called witho ...read more

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List contains() method in Java with Examples

Last Updated: 03 December 2024

The contains() method of List interface in Java is used for checking if the specified element exists in the given list or not. Example:[GFG ...read more

Double parseDouble() method in Java with examples

Last Updated: 26 October 2018

The parseDouble() method of Java Double class is a built in method in Java that returns a new double initialized to the value represented by ...read more

Scanner nextLine() method in Java with Examples

Last Updated: 12 October 2018

The nextLine() method of java.util.Scanner class advances this scanner past the current line and returns the input that was skipped. This fu ...read more

Function Interface in Java

Last Updated: 16 April 2025

The Function Interface is a part of the java.util.function package that has been introduced since Java 8, to implement functional programmin ...read more

Stack pop() Method in Java

Last Updated: 12 December 2021

The Java.util.Stack.pop() method in Java is used to pop an element from the stack. The element is popped from the top of the stack and is re ...read more

Java String join() with examples

Last Updated: 08 April 2025

The java.lang.string.join() method concatenates the given elements with the delimiter and returns the concatenated string.Note that if an e ...read more

Java String contains() Method with Example

Last Updated: 19 November 2024

The String.contains() method is used to search for a sequence of characters within a string. In this article, we will learn how to effective ...read more

Java

Java-Strings

Java-Functions

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

BigDecimal Class in Java

Last Updated: 08 March 2024

The BigDecimal class provides operations on double numbers for arithmetic, scale handling, rounding, comparison, format conversion and hashi ...read more

Java ArrayList add() Method with Examples

Last Updated: 10 December 2024

The add() method in the ArrayList class is used to add elements to the list. There are different versions of this method. Example 1: In this ...read more

Collections.reverse() Method in Java with Examples

Last Updated: 24 March 2025

The reverse() method of the Collections class, as the name suggests, is used to reverse the order of elements in a list. Note: It does not s ...read more

Java-Collections-Class

String to int in Java

Last Updated: 22 November 2024

Converting a String to an int in Java can be done using methods provided in the Integer class, such as Integer.parseInt() or Integer.valueOf ...read more

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