class MyException extends Exception {
public MyException(String msg){
super(msg);
}
}
public class MyTest {

static int  divide(int first,int second) throws MyException{
  if(second==0)
  throw new MyException("can't be divided by zero");
return first/second;
}
public static void main(String[] args){
  try {
System.out.println(divide(4,0));
  }
catch (MyException exc) {
exc.printStackTrace();
  }
  }
}