19 lines
467 B
Java
19 lines
467 B
Java
package com.inmind.array01;
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/*
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引用类型作为方法参数
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*/
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public class Demo11 {
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public static void main(String[] args) {
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//定义一个数组
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int[] arr = {10,20};
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changeValue(arr);//引用数据类型传递的是地址
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System.out.println(arr[0]);//20
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System.out.println(arr[1]);//40
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}
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private static void changeValue(int[] arr) {
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arr[0] = arr[0] + arr[0];
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arr[1] = arr[1] + arr[1];
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}
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}
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