Java program for kg to pound converter In this post, we will write a Kg to Pound converter program. In the program, we will prompt user choice to convert from kg to pounds are from pounds to Kgs. The program then converts as per the user choice. Tools Used JDK Eclipse IDE Kg to […]
Overview In the olden days, applets are the way to embed java code into web browsers. Java applets are deprecated since Java 9. However, in these modern days, we have efficient alternatives for Java Applets. Java applets are special Java programs that were developed to run embedded Java code in Web pages. An applet is launched […]
What is a Primary Key? Let’s learn about the primary key in this tutorial. The database needs a unique way to identify each record in the database table. The purpose of the primary key is to ensure data integrity and to enable efficient retrieval of data from the database table. Primary Key A primary key […]
What is a Java Servlet? Servlet is a server Java class that runs in a web container and is used to create Web applications. It is mostly used to build dynamic web pages. Web applications built using servlets are scalable and robust. Each request to servlet runs in a separate thread. See the below picture […]
Introduction An identity matrix is a square matrix of dimension n which contains ones along the principal diagonal and zeros in the rest of the other positions. A 2×2 matrix is as follows: 1 0 0 1 4×4 Identity Matrix Example For example, 4×4 matrix is shown below. Java Program Please note that Java […]
How to create a Singleton class? Using the Singleton pattern, you should have only one object of a particular class throughout your code. The Singleton class design is to make sure that you can instantiate only one object of a particular class. You need to restrict the new operator by creating more objects than 1 […]