来,先来一道考题,你看做对了吗?

        Integer i1 = new Integer(12);
        Integer i2 = new Integer(12);
        System.out.println(i1 == i2);

        Integer i3 = 126;
        Integer i4 = 126;
        int i5 = 126;
        System.out.println(i3 == i4);
        System.out.println(i3 == i5);

        Integer i6 = 128;
        Integer i7 = 128;
        int i8 = 128;
        System.out.println(i6 == i7);
        System.out.println(i6 == i8);  

以上这些输出的答案是什么?true or false? why?

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