文章分类 -  Java Base

摘要：samples:Integer x = 500; Integer y = 500; System.out.println(x == y + 0); //true System.out.println(x == y); //falseInteger x = 127; Integer y = 127; System.out.println(x == y + 0); //true System.out.println(x == y); //true1.Integer + int :autounboxing This ... 阅读全文