java own exception code example

Example 1: java define custom exception

public class CustomException extends Exception { 
    public CustomException(String errorMessage) {
        super(errorMessage);
    }
}

Example 2: what is exception in java

In java exception is an object. Exceptions are created when an abnormal 
situations are arised in our program. Exceptions can be created by JVM or 
by our application code. All Exception classes are defined in java.lang. 
In otherwords we can say Exception as run time error.

Example 3: what is exception in java

An exception is an event, which occurs during the execution of a 
program, that disrupts the normal flow of the program's instructions.

Example 4: java exception override message

// Most exception classes provide a constructor requesting a String.
// Check the API of your superclass.

public class PersonalException extends RuntimeException{
  
	public PersonalException() {
		super("This is a message for you! Something went wrong...");
	}
}