How to handle the exception hierarchies in Java

Problem Description

How to handle the exception hierarchies?

Here is the sample diagram of Exception Hierarchies

Solution

This example shows how to handle the exception hierarchies by extending Exception class ?

class Animal extends Exception {
}
class Mammel extends Animal {
}
public class Human {
   public static void main(String[] args) {
      try {
         throw new Mammel();
      } catch (Mammel m) {
         System.err.println("It is mammel");
      }
   }
}

Result

The above code sample will produce the following result.

It is mammel