最赞回答 / weixin_慕丝5426924
放在外面 输出 hobbies 输出的是 数组字符串 打印的是数组名,也就是地址 System.out.println(Arrays.toString(hobbies)); 这句话 是直接输出的 排序后的字符串
2020-07-01
最赞回答 / 清栀12138
public class HelloWorld{ public static void main(String[] args) { int one = 10 ; int two = 20 ; int three = 0 ; three = one + two; //three = 10+20,所以three是30; System.out.println("three = one + two ==> " + three); ...
2020-06-23