exercise 24

ExceptionDemo19.java

public class ExceptionDemo19 {
  public void doC() throws Exception {
    throw new Exception("test");
  }
  public void doB() throws Exception {
    doC();
  }
  public void doA() throws Exception {
    doB();
  }
  public static void main (String[] args) throws Exception{
    ExceptionDemo19 demo = new ExceptionDemo19();
    demo.doA();
  }
}