SQL subqueries are a powerful tool in the world of database management. A subquery is a query...
How to Extract Data from a Table in SQL?
Structured Query Language (SQL) is a widely-used programming language that allows users to interact...
Write a program to calculate the factorial of a given number
Calculating the factorial of a given number is a common programming problem that tests the ability...
How can I validate an email address in JavaScript
Email validation is a crucial part of any web application or website that collects user data. By...
How do you pause and resume threads in Java Programming
Based on the requirements sometimes you might want to suspend, resume or stop a thread. For doing...
How to Dynamically Dispatch a Method in Java Programming
In this article we will look at dynamic method dispatch in Java which is a way to provide run-time...
How to read and write QR code using java
Quick Response Code (QR Code) is a two-dimensional matrix like barcode, designed by a subsidiary of...
Palindrome Number in Python using Function
Here’s an example Python function that checks if a number is a palindrome or not: def...
How to make a calculator in java using swing
In this article I am going to demonstrate how to make a calculator in Java. Below I have...
An introduction to Multi-Threading in Java
In this article we will learn what is multithreading and how to create and use threads in Java...
How to create a Login form using java applets
Many scripting languages like PHP give a better support to login forms, but when you...
Creating a Database with SQLite, DAO and Room in Android
There are several databases that can be used in Android, including SQLite, Room, and Firebase...
How to Handle Exceptions in Java
In this article we will look at what is an exception?, what is exception handling?, and how java...
Check if a String Contains a Substring in JavaScript
In JavaScript, checking if a string contains a substring is a common task that can be achieved in a...
Calculating the Area of a Circle and Cylinder using the ‘super’ Keyword in Java
Java program that calculates the area of a cylinder and a circle using the super keyword: import...