In this tutorial we are going to talk about java.net.UnknownHostException. This is a subclass of IOException, so it is a checked exception. It emerges when you are trying to connect to a remote host using its h
Core Java Definition Exception Learn in Scala Kotlin 1. Overview In this tutorial, we’ll go through the basics of exception handling in Java as well as some of its gotchas. 2. First Principles 2.1. What Is It? To better understand exceptions and exception handling, let’s make a real-li...
In this tutorial, we will see examples of some of the popular exceptions and how to handle them properly using try-catch block. We will see exception handling of ArithmeticException, ArrayIndexOutOfBoundsException, NumberFormatException, StringIndexOutOfBoundsException and NullPointerException. If you...
To solve these problems, Java embraced a new approach to exception handling. In Java, we combine objects that describe exceptions with a mechanism based on throwing and catching these objects. Here are some advantages of using objects versus error code to denote exceptions: An object can be crea...
One of the key techniques in exception handling is the ability to re-throw an exception. This tutorial demonstrates how to re-throw an exception in Java, allowing you to propagate the error up the stack or wrap it in a different exception type for better clarity. By the end of this ...
Exception Handling In Java Exception handling in Java can be handled using ClassNotFoundException, IOException, SQLException, and others to ensure the program keeps running. When an exception occurs, the JVM creates an exception object containing details like the name and description of the issue and...
Chained Exception was added to Java in JDK 1.4. This feature allow you to relate one exception with another exception, i.e one exception describes cause of another exception. For example, consider a situation in which a method throws an ArithmeticException because of an attempt to divide by ...
We can use the try...catch block, finally block, throw, and throws keyword to handle exceptions in Java. In this tutorial, we will learn about Java exception handling with the help of examples.
Some of these exceptions are caused by user error, others by programmer error, and others by physical resources that have failed in some manner. To understand how exception handling works in Java, you need to understand the three categories of exceptions: Checked exceptions: A checked exception ...
Exception is an error event that can happen during the execution of a program and disrupts its normal flow. Java provides a robust and object oriented way to handle exception scenarios, known asJava Exception Handling. We will look into following topics in this tutorial. ...