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Programming Language / Java

Java

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Expense Tracker by using Java

Last Updated: 29 September 2026

An Expense Tracker in Java is a console-based application used to record and manage daily expenses. In this project, we use Java classes, collections, file handling and da...read more

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Advance Java Projects

Java Basic Input and Output

Last Updated: 18 September 2026

Input and output are fundamental operations in Java programs. Input allows a program to receive data from the user, while output allows it to display results to the user.J...read more

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Private vs Default Methods in Interfaces in Java

Last Updated: 01 October 2026

Java 8 introduced default methods in interfaces, while Java 9 introduced private methods. Both allow method implementations inside interfaces, but they differ in their acc...read more

JShell Commands in Java

Last Updated: 29 September 2026

JShell commands are special commands used to control and manage a JShell session. They start with a forward slash (/) and provide features such as displaying variables, im...read more

Requires Directive in Java Modules

Last Updated: 29 September 2026

The requires directive in Java modules is used to declare a dependency on another module. It tells the Java Module System that the current module reads another module and ...read more

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Route Predicate Factory in Spring Cloud Gateway

Last Updated: 02 July 2026

In a microservices architecture, an API Gateway is responsible for routing incoming client requests to the appropriate microservices. In Spring Cloud Gateway, Route Predic...read more

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How to create simple java project in eclipse

Last Updated: 18 June 2026

Creating a Java project in Eclipse IDE is the first step toward developing Java applications. Eclipse is a powerful IDE that simplifies project creation, code management, ...read more

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Conditional Statements and Loops Practice Problems

Last Updated: 08 May 2026

Conditional statements and loops are essential building blocks in Java programming. Conditional statements help programs make decisions based on different conditions, whil...read more

Basic Coding Problems

Connection Interface in Java JDBC

Last Updated: 24 April 2026

The Connection interface in Java JDBC represents a session between a Java application and a database. It is used to establish communication, execute SQL queries, and manag...read more

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Driver Interface in JDBC

Last Updated: 06 April 2026

The Driver interface in JDBC is a core interface that enables Java applications to communicate with databases. It acts as a bridge between the application and the database...read more

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Design a DS for Remove and Print

Last Updated: 31 January 2026

Design a data structure that supports adding elements and removing all occurrences of a given element, while printing the remaining elements in their original insertion or...read more

StringBuffer and StringBuilder Methods

Last Updated: 31 January 2026

In Java, strings are immutable, meaning their values cannot be changed once they are created. To support efficient string manipulation, Java provides mutable classes like ...read more

Sort students by marks in Java

Last Updated: 30 January 2026

The arrays roll[] and marks[] store student roll numbers and their corresponding marks. The objective is to reorder the roll numbers such that they follow the descending o...read more

Meeting Maximum Guests in Java

Last Updated: 29 January 2026

Given two arrays, arr[] and dep[] representing the arrival and departure times of guests at a party, where each arrival corresponds to a departure at the same index, the g...read more

Sort an Array According to Another Array in Java

Last Updated: 29 January 2026

Given two arrays of equal size, an integer array a[] and a character array b[], each character is associated with an integer at the same index.Sort the character array b[]...read more

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