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打卡

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杨森-ys

#1 Created at ... [Delete] [Delete and Lock User]

public class Main {

    public static void main(String[] args) {

        String[] names = {"ABC", "XYZ", "zoo"};  //names  数组变量里面三个元素"ABC", "XYZ", "zoo"

        String s = names[1];  //"XYZ"   此时s指向"XYZ"的内存地址。

        names[1] = "cat";  //重新赋值变量names[1]为"cat"

        System.out.println(s); // s是"XYZ"还是"cat"?   //输出"XYZ"

    }

}


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