Java简单异常处理

package com.xiaohai;

import java.math.BigInteger;
import java.security.spec.ECPoint;
import java.text.SimpleDateFormat;
import java.util.*;


public class HelloWorld {

    public static void main(String[] args) {

        HelloWorld h=new HelloWorld();
        h.method();
    }

    public void method()
    {
        try {
            int[] arr = new int[]{1, 2, 4};
            for (int i = 0; i < 4; i++) {
                System.out.println(arr[i]);
            }
        }catch (Throwable e)
        {
            e.printStackTrace();
            System.out.println(e.getMessage());
            System.out.println(e.toString());
        }
    }
}