Java Programs

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Java Pattern Programs - Learn How to Print Pattern in Java

Last Updated: 21 January 2025

In many Java interviews Star, number, and character patterns are the most asked Java Pattern Programs to check your logical and coding skill...read more

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Java Programs - Java Programming Examples

Last Updated: 05 April 2025

In this article, we will learn and prepare for Interviews using Java Programming Examples. From basic Java programs like the Fibonacci serie...read more

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Program to Print Fibonacci Series in Java

Last Updated: 18 April 2024

The Fibonacci series is a series of elements where, the previous two elements are added to get the next element, starting with 0 and 1. In t ...read more

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Factory Method Design Pattern in Java

Last Updated: 03 January 2025

It is a creational design pattern that talks about the creation of an object. The factory design pattern says to define an interface ( A jav...read more

How to Convert an Array to String in Java?

Last Updated: 25 November 2024

In Java, there are different ways to convert an array to a string. We can choose ways from built-in methods or custom approaches, depending ...read more

Java Program to Check Whether a String is a Palindrome

Last Updated: 27 November 2024

In Java, a string is said to be a palindrome if it reads the same backward as forward. In this article, we will learn how to check if a stri ...read more

Convert a String to Character Array in Java

Last Updated: 04 January 2025

Converting a string to a character array is a common operation in Java. We convert string to char array in Java mostly for string manipulati ...read more

Convert Double to Integer in Java

Last Updated: 04 January 2025

Given a Double real number. Write a Java program to convert the given double number into an Integer (int) in Java.Examples:Input: double = 3 ...read more

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Prime Number Program in Java

Last Updated: 07 April 2025

A prime number is a natural number greater than 1, divisible only by 1 and itself. Examples include 2, 3, 5, 7, and 11. These numbers have n ...read more

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Remove an Element at Specific Index from an Array in Java

Last Updated: 25 November 2024

In Java, removing an element at a specific index from an array means shifting subsequent elements to the left. Arrays have a fixed size, so ...read more

Initializing a List in Java

Last Updated: 04 January 2025

TheJava.util.Listis a child interface ofCollection. It is an ordered collection of objects in which duplicate values can be stored. Since Li...read more

Implementing a Linked List in Java using Class

Last Updated: 04 January 2025

Pre-requisite:Linked List Data StructureLike arrays, Linked List is a linear data structure. Unlike arrays, linked list elements are not sto...read more

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Traverse Through a HashMap in Java

Last Updated: 19 July 2022

HashMap stores the data in (Key, Value) pairs, and you can access them by an index of another type. HashMap class implements Map interface w...read more

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Reverse a String in Java

Last Updated: 27 March 2025

In Java, reversing a string means reordering the string characters from the last to the first position. Reversing a string is a common task ...read more

Basic Coding Problems

Java Program to Find Largest Element in an Array

Last Updated: 24 March 2025

The most common method to find and print the largest element of a Java array is to iterate over each element of the array and compare each e ...read more

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