Java Questions
Difference between Java Servlet and Java Applet? Let’s look at the differences between Java Servlet and Java Applet in this tutorial. A Java Applet is a client-side program that runs within a web browser on the client machine. A Java Servlet is a server-side component that runs on the web container. Key Differences The main […]
Difference between an Abstract class and an Interface? Let’s discuss some differences between an abstract class and an interface in Java. Interfaces provide the flexibility for unrelated classes to implement multiple interfaces. In Java, both abstract classes and interfaces are used to achieve abstraction — a core concept in object-oriented programming that allows you to […]
Difference between Error and Exception? Let’s learn the difference between Error and Exception. Error Errors indicate serious problems or abnormal conditions in the application. The application might not catch or handle the error and may lead to an application crash. public class Error extends Throwable { Error and its subclasses are regarded as unchecked exceptions. […]
Compare Two Strings Java Program In this post, we will learn how to compare two Strings using a simple Java program. We can use the String class in-built method compareTo() method to compare strings. The method returns zero if the strings are equal. The method signature is as follows: public int compareTo(String anotherString) Java program […]
What is the difference between JDK, JRE, and JVM? Let’s understand the difference between JDK, JRE, and JVM. The terms look similar but there are different. The terms refer to key components of the Java platform. JVM JVM stands for Java Virtual Machine. It is an abstract machine that provides the runtime environment in which […]
How to Generate Javadoc for a Project? In this tutorial, we will learn the steps to generate Javadoc for a Java project. Javadoc is a documentation generator utility for Java. The documentation is generated in HTML format from the source code. The HTML allows linking related pages together. A documentation generator is a tool that […]