package com.itheima_70;
/*
  public String getMessage();返回此throwable的详细消息字符串
  public String toString();返回此可抛出的简短描述
  public void printStackTrace();把异常的错误信息输出在控制台
 */

public class ExceptionDemo02 {
    public static void main(String[] args) {
        System.out.println("开始");
        method();
        System.out.println("结束");
    }
    public static void method(){
        try{
            int[] arr = {1, 2, 3};
            System.out.println(arr[3]);//new ArrayIndexOutOfBoundsException("xxx");
        }catch (ArrayIndexOutOfBoundsException e){
//            e.printStackTrace();
            //public String getMessage();返回此throwable的详细消息字符串
//            System.out.println(e.getMessage());
            //Index 2 out of bounds for length3

            //public String toString();返回此可抛出的简短描述
//            System.out.println(e.toString());
            //java.lang.ArrayIndexOutOfBoundsException: 3

            //public void printStackTrace();把异常的错误信息输出在控制台
            e.printStackTrace();


        }
    }
}
/*
  public class Throwable{
        private String detailMessage;
        public Throwable(String message){
               detailMessage = message;
        }
  public String getMessage() {
        return detailMessage;
    }
    }
 */