public class Ex11{
    int x;
    public static void main(String ar[])throws Exception{
        int y=0;
        Ex11 c=new Ex11();
        try{
        y=3/c.x;
        y=y+1;}catch(Exception e){System.out.println("errors occur!");}
        System.out.println("program ends ok");
        System.out.println("the y is:"+y);
        }
    }