public class Ex3{
    int x;
    public static void main(String ar[])throws Exception{
        int y=0;
        Ex3 c=new Ex3();
        try{
        y=3/c.x;
        y=y+1;}catch(Exception e){
            System.out.println("errors occur!");
            System.out.println("getMessage="+e.getMessage());
            System.out.println("toString="+e.toString());}
        System.out.println("program ends ok");
        System.out.println("the y is:"+y);
        }
    }