本帖最后由 xp2015 于 2015-8-21 22:27 编辑
下列题目的输出结果是什么?
Integer i1 = new Integer(127); Integer i2 = new Integer(127); System.out.println(i1 == i2); System.out.println(i1.equals(i2));
Integer i3 = new Integer(128); Integer i4 = new Integer(128); System.out.println(i3 == i4) System.out.println(i3.equals(i4))
Integer i5 = 128; Integer i6 = 128; System.out.println(i5 == i6); System.out.println(i5.equals(i6))
Integer i7 = 127; Integer i8 = 127; System.out.println(i7 == i8); System.out.println(i7.equals(i8)) |