两个引用指向同一个数组

Java 评论 

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package xiaochenyan.top;

public class test013 {
    public static void main(String[] args) {
        int[] arrayA = new int[3];
        System.out.println(arrayA);
        System.out.println(arrayA[0]);
        System.out.println(arrayA[1]);
        System.out.println(arrayA[2]);
        System.out.println("====================");
        arrayA[1] = 10;
        arrayA[2] = 20;
        System.out.println(arrayA);
        System.out.println(arrayA[0]);
        System.out.println(arrayA[1]);
        System.out.println(arrayA[2]);
        System.out.println("====================");

        int[] arrayB = arrayA;
        System.out.println(arrayB);
        System.out.println(arrayB[0]);
        System.out.println(arrayB[1]);
        System.out.println(arrayB[2]);
        System.out.println("====================");
        arrayB[1] = 10;
        arrayB[2] = 20;
        System.out.println(arrayB);
        System.out.println(arrayB[0]);
        System.out.println(arrayB[1]);
        System.out.println(arrayB[2]);
    }
}

YanChen

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