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Programming Language / Java

Java

9.4K+ posts

How to Replace the Last Occurrence of a Substring in a String in Java?

Last Updated: 23 July 2025

In this article, we will learn about replacing the last instance of a certain substring inside a string as a typical need. We'll look at a practical Java solution for this...read more

How to Shuffle the Elements of Array in Java?

Last Updated: 23 July 2025

In Java, to shuffle the elements of an array, we can use the shuffle() method from the Collections class. This method is part of the java.util package. To shuffle an array...read more

Java-Collections

Creating a Generic Array in Java

Last Updated: 23 July 2025

Arrays in Java are generated using a certain data type. On the other hand, you may create a generic array that functions with various object types by utilizing generics. Y...read more

Find N'th Highest Salary Using Stream API

Last Updated: 08 February 2024

Consider a scenario where you have a dataset containing various salary values, and you need to find the Nth highest salary. This task might arise in applications ranging f...read more

Geeks Premier League

Geeks Premier League 2023

Java File Format | .java Extension

Last Updated: 29 January 2024

Java is a high-level, object-oriented programming language. A source code file written in the Java programming language is saved with the extension .java. .Java file exten...read more

java.nio.channels.spi.AsynchronousChannelProvider Class in Java

Last Updated: 28 April 2025

Java programming offers a crucial component known as the java.nio.channels.spi.AsynchronousChannelProvider class, which plays an indispensable role in managing asynchronou...read more

Geeks Premier League

Java-NIO package

Geeks Premier League 2023

Java AWT vs Java Swing vs Java FX

Last Updated: 23 July 2025

Java's UI frameworks include Java AWT, Java Swing, and JavaFX. This plays a very important role in creating the user experience of Java applications. These frameworks prov...read more

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Network Input in Java

Last Updated: 28 April 2025

In Java, Network Input is all about sending and getting data over a network. It's about making links, getting data from input sources, and dealing with the information we ...read more

Geeks Premier League

Geeks Premier League 2023

Last Updated: 29 January 2026

Java is a high-level, object-oriented programming language used to build web apps, mobile applications, and enterprise software systems.Java is a platform-independent lang...read more

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Java Crash Course

Last Updated: 23 July 2025

In today's tech-driven world, coding is a valuable skill, and Java is an excellent starting point. Its versatility and ease of understanding make it ideal for a wide ra...read more

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Java.io Package in Java

Last Updated: 23 July 2025

Java.io Package in JavaThis package provides for system input and output through data streams, serialization and the file system. Unless otherwise noted, passing a null ar...read more

Java.lang package in Java

Last Updated: 23 July 2025

Java.lang package in JavaProvides classes that are fundamental to the design of the Java programming language. The most important classes are Object, which is the root of ...read more

Java-lang package

Java.util Package in Java

Last Updated: 08 November 2025

The java.util package is one of the most widely used packages in the Java programming language. It provides a set of utility classes that support data structures, date and...read more

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Java - util package

Java Exercises - Basic to Advanced Java Practice Programs with Solutions

Last Updated: 09 October 2025

This Java exercise collection is designed to deepen your understanding of Java and refine your coding skills. The programs provide hands-on experience in solving real-worl...read more

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Output of Java Program

Java-Object Oriented

Java-Data Types

Java Collections Tutorial

Last Updated: 15 January 2026

Java Collection Framework (JCF) is a set of classes and interfaces that provide ready-made data structures to store and manipulate groups of objects efficiently. Java prov...read more

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Java-Collections

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