摘要：https://blog.csdn.net/uftjtt/article/details/79044186 阅读全文

摘要：Integer a0 = 127; Integer a1 = 127; Integer b0 = 128; Integer b1 = 128; int c = 128; System.out.println(a0 == a1); >>>> true //Integer 对象-128 ~ 127 ... 阅读全文