摘要：
输出未能排序 import java.util.Scanner; import java.util.Arrays; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System 阅读全文
摘要：
PTA显示Compiler did not create the expected binary 不知所措 package nn; import java.util.Scanner; class Person{ private String name = null; private int age 阅读全文