how to output message when exception is thrown jav code example

Example: print exception in java

try
        { 
            int a = 20/0; 
        } catch (Exception e) 
        { 
            // getMessage method 
            // Prints only the message of exception 
            // and not the name of exception 
            System.out.println(e.getMessage()); 
              
            // Prints what exception has been thrown 
            System.out.println(e); 
        }