摘要：1 package bbb; 2 3 public class ccc { 4 public static void main(String [] args){ 5 int a=5; 6 if(a%2==0) 7 System.out.println("a为偶数！"+a); 8 System... 阅读全文

摘要：1 package first; 2 3 import java.util.Scanner; 4 class persons 5 { 6 private String name; 7 private char sex; 8 private int age; 9 private String id; 10 public persons(... 阅读全文