class Ex extends Exception {}
public class ExcerciseCh9_6_1 {
  public static void main(String[] args) {
    System.out.println("Entering first try block");
    try {
      System.out.println("Entering second try block");
      try{
        throw new Ex();
      } finally {
        System.out.println("Caught Ex in first try block");
      }
    } catch(Ex e) {
      System.out.println("Caught Ex in first try block");
    } finally {
      System.out.println("finally in 1st try block");
    }
  }
}

책에 있는거 그대로 썼는데, 계속해서 에러가 나더라고요 -_- 아무리 고쳐도 계속 에러가 나고..