day05-基本类型与引用类型作为方法参数的区别_debug说明
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package com.inmind.array01;
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public class Demo09 {
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public static void main(String[] args) {
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int[] arr = {10, 20};
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changValue(arr);
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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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//引用数据类型作为参数,保存具体的地址,址传递
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public static void changValue(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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