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题目描述 下面三个输出的值是什么 Integer i = 10; Integer j = 10; System.out.println(i == j); //true Integer a = new Integer(10); Integer b = new Integer(10); System.out.println(a == b); //false Integer i2 = 150; Integer j2 = 150; System.out.println(i2 == j2);//false