參數傳遞的問題:
阿新 • • 發佈:2018-03-01
outline active eba name bin don mod relative 參數傳遞
public static void main(String[] args) {
int a = 10;
int b = 20;
change(a,b);
System.out.println("a:"+a+",b:"+b); //a:10,b:20
}
1public static void main(String[] args) {
2 int a = 10;
3 int b = 20;
4 change(a,b);
5 System.out.println("a:"+a+",b:"+b); //a:10,b:20
6}
66 1public static void change(int a, int b) { a = b; b = a + b; System.out.println("a:"+a+",b:"+b); //a:20,b:40 }
public static void change(int a, int b) {
2 a = b;
3 b = a + b;
4 System.out.println("a:"+a+",b:"+b); //a:20,b:40
5}
6
參數傳遞的問題: