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Java Programs

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Java Program to Check if Specified Element is Present in the Array

Last Updated: 23 July 2025

In Java, to check if a specified element is present in an array, we have to iterate through the array and compare each element with the target value. This can be done usin...read more

Java-Array-Programs

How to Check if an Array is Empty or Not in Java?

Last Updated: 23 July 2025

In Java, arrays do not have a built-in method like isEmpty() to check if they are empty. So, we need to use other ways to check if an array is empty in Java.Example: The s...read more

Java-Array-Programs

How to Create a Date Object using the Calendar Class in Java

Last Updated: 08 July 2024

In Java, the Calendar class can provide a flexible way to handle the dates and times. This article demonstrates how to create the Date object using the Calendar class by s...read more

Mutable and Immutable Objects in Java

Last Updated: 23 July 2025

Java is a popular object-oriented programming (OOP) language and it's code design revolves around it's objects and their manipulation. One of the key concepts in this OOP ...read more

Java-Object Oriented

Class and Object

Java-Class and Object

What is the difference between ArrayList.clear() and ArrayList.removeAll()?

Last Updated: 23 July 2025

In Java, ArrayList.clear() and ArrayList.removeAll() are the two methods that are used to remove elements from an ArrayList, but they are used for different purposes. In t...read more

Java Program to Search an Element in Vector

Last Updated: 23 July 2025

A vector in Java is a dynamic array that can be resized as needed. It is synchronized, which means it is safe in multi-threaded programs. To find an element in a Vector we...read more

How to Convert a String to URL in Java?

Last Updated: 06 August 2025

In Java, a string is a sequence of characters. A URL, which is short for Uniform Resource Locator, refers to a web resource that specifies its location on a computer netwo...read more

How to Secure Communication Using SSL/TLS in Java?

Last Updated: 16 May 2024

Secure Sockets Layer (SSL) or Transport Layer Security (TLS) are cryptographic protocols designed to provide secure communication over the computer network. These protocol...read more

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Java-Networking

How to Handle Connection Pooling in JDBC in Java

Last Updated: 04 December 2025

Efficient management of database connections is important for high-performance Java applications. Creating a new database connection for each request is expensive, involvi...read more

article_image

How to Connect to a Database Using JDBC with SSL/TLS?

Last Updated: 15 May 2024

Connecting to a database using JDBC with SSL/TLS is nothing but it will Setup a secure connection between the Java program(from IDE, for Example: Eclipse) and the database...read more

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How to Iterate over the Elements of a PriorityQueue in Java?

Last Updated: 06 August 2025

In Java, a Priority Queue is a Data structure that allows the users to store data based on their priority so that the elements with the highest priority can be accessed in...read more

java-priority-queue

How to Copy Elements from One PriorityQueue to Another in Java?

Last Updated: 23 July 2025

In Java, a priority queue is a data structure that allows the users to store data based on their priority. In this article, we will learn how to copy elements from one pri...read more

java-priority-queue

How to Find the Maximum Element in an Array?

Last Updated: 23 July 2025

In Java, the array is a data structure that allows the users to store data of the same type in contiguous memory locations. To find the maximum element in an Array in Java...read more

Java-Array-Programs

How to Efficiently Remove Duplicates from an Array without using Set?

Last Updated: 23 July 2025

Arrays are a fundamental data structure in Java that stores data of the same type in contiguous memory locations. Removing duplicate elements from an array is a common ope...read more

Java-Array-Programs

How to Implement Peer-to-Peer Communication in Java?

Last Updated: 26 April 2024

Peer-to-peer communication is a decentralized form of communication where two or more devices communicate directly with each other without the need for a central server. I...read more

Java-Networking

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