Custom exception in java

Custom exception:

You can define your own exception also. These exceptions are known as custom exceptions. Note: 1. For writing custom checked exception, extend Exception class. 2. For writing custom unchecked exception, extend RuntimeException class.


 * This program is used to create custom exception.
 * @author w3spoint
class MyException extends Exception {
    public MyException(String message) {
class Test{
	public void display() throws MyException {
	  throw new MyException("This is a custom exception.");
public class CustomExceptionExample {
	public static void main(String args[]){
		//creating Test object.
		Test obj = new Test();
		//method call.
		}catch(Exception e){

Output: This is a custom exception.

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