public class ThrowException1{
    int x=4;
    public static void main(String arg[]){
        ThrowException1 c=new ThrowException1();
        
        try{
            if (c.x==4)
               throw new Exception();}catch(Exception e){
            System.out.println(e.getMessage());
            System.out.println(e.toString());
            }
           System.out.println("ok");
            }
    }