关于 compareTo() 函数

*对于数字对象的比较

Integer x=5; Integer y=88; Integer z=5; Integer w=3; System.out.println(x.compareTo(3)); System.out.println(x.compareTo(5)); System.out.println(x.compareTo(88)); System.out.println(x.compareTo(y)); System.out.println(x.compareTo(z)); System.out.println(x.compareTo(w)); Integer x=5; Integer y=88; Integer z=5;