斷點調(diào)試查看形式參數(shù)是基本類型的情況
package com.itheima;
/*
* 參數(shù)如果是基本數(shù)據(jù)類型：
* 形式參數(shù)的改變不影響實際參數(shù)
*/
public class DebugTest3 {
public static void main(String[] args) {
int a = 10;
int b = 20;
System.out.println("a:" + a + ",b:" + b);
change(a, b);
System.out.println("a:" + a + ",b:" + b);
}
public static void change(int a, int b) {
System.out.println("a:" + a + ",b:" + b);
a = b;
b = a + b;
System.out.println("a:" + a + ",b:" + b);
}
}
