17 lines
434 B
Java
17 lines
434 B
Java
package com.inmind.array01;
|
|
|
|
public class Demo09 {
|
|
public static void main(String[] args) {
|
|
int[] arr = {10, 20};
|
|
changValue(arr);
|
|
System.out.println(arr[0]);//20
|
|
System.out.println(arr[1]);//40
|
|
}
|
|
|
|
//引用数据类型作为参数，保存具体的地址，址传递
|
|
public static void changValue(int[] arr) {
|
|
arr[0] = arr[0] + arr[0];
|
|
arr[1] = arr[1] + arr[1];
|
|
}
|
|
}
|