第六章 作业六合一

import java.util.Scanner;public class Test1{public static void main(String[] args){Scanner input = new Scanner(System.in);// 上机练习3String name = ""; // 用户名String pwd = ""; // 密码for (int i = 0; i < 3; i++){System.err.println("请输入用户名");name = input.next();System.err.println("请输入用 密码");pwd = input.next();if (name.equals("name") && pwd.equals("pwd")){System.out.println("登录成功");

break;} else{System.out.println("输入错误还有" + (2 - i) + "次机会");}if (i == 2){System.out.println("对不起三次输入错误");break;}}// 简答题1 ( 看上课的那个图)// 简答题2//i 代表鸡// j 代表兔子for (int i = 0,j=0; i <= 35; i++){j=35-i;if((i*2+j*4)==94){System.out.println("鸡"+i);System.out.println("兔"+j);}}// 简答题3for (int i = 1; i <= 100; i++){if(i%3==0&&i%5==0){System.out.println("FilpFlop");}else if(i%3==0){System.out.println("Flip");}else if(i%5==0){System.out.println("Flop");}else{System.out.println(i);}}// 简答题4for (int men = 0; men <= 10; men++){//men + women + kids =30;//3*men+2*women+kids=50;//kids=30-women-men;//kids=50-3*men-2*women;//30-women-men=50-3*men-2*women;//30-women-men+2*women=50-3*men;//women=20-2*men;intwomen=20-2*men;int kids=30-men-women;if((3*men+2*women+kids)==50){System.out.println("小孩"+kids);System.out.println("女人"+women);System.out.println("男人"+men);}}}}