java基本与对象类型数据类型传入方法修改后是否影响方法外值的实例与浅析

 1 package com.github.mayangbo666.test;
 2 
 3 public class IntegerPp2 {
 4     public static void main(String[] args) {
 5         for (Integer i = 0; i < 1; iPlusPlus(i)) {
 6             System.out.println("t1");
 7         }
 8     }
 9 
10     public static Integer iPlusPlus(Integer i) {
11         System.out.println("t2");
12         System.out.println(((Object) i).toString());
13         return ++i;
14     }
15 }