java guessing game

Please read the following precautions carefully. When the game starts, you are required to enter the player's name, and then the system will send a hero (name yourself) out of the station. Players enter 1 (rock), 2 (scissors), and 3 (paper) through the console to fight against system heroes. When the player punches, the system hero punches randomly.

According to the rules of the "Rock, Paper, Scissors" game, the winner gets 1 point. At the end of the game, the game results will be displayed! If the player wins, he will be rewarded with (number of wins*2) honor points! ! ! ! If you agree to the above rules, please enter 1 in the console and enter other numbers to end! ! !

import java.util.Random;
import java.util.Scanner;
public class Game{
	public static void main(String[] args){
			System.out.println("欢迎来到石头剪刀布游戏世界！");
			System.out.println("请认真阅读以下注意事项：");
			System.out.println("* 游戏开始，要求输入玩家名字");
			System.out.println("* 随后系统将派出一名英雄(名字自取)出站。");
			System.out.println("* 玩家通过控制台输入 1(石头)、2(剪刀)、3(布) 与系统英雄对战。");
			System.out.println("* 玩家出拳的同时，系统英雄随即随机出拳。");
			System.out.println("* 根据《石头剪刀布游戏》规则，胜利者得1分。");
			System.out.println("* 最终比赛结束会展示比赛战绩！");
			System.out.println("* 如果玩家胜利，则奖励(胜利局数*2) 荣誉值！");
			System.out.println("* ！！！同意以上规则请在控制台输入 1，输入其他数字结束！！！");
			
			Scanner scanner=new Scanner(System.in);
			int agree=scanner.nextInt();//用户是否同意规则	
			Random random=new Random();
	
			String pcName="电脑";//电脑名称
			int userNum;//用户输入的数字
			int pcNum;//电脑输出的数字
			
			int a=0;//记录用户赢的次数
			int b=0;//记录电脑赢的次数
			int c=0;//记录平局次数
			int flag=1;//用户不同意规则 或者 用户退出使用
			int flagError=1;//定义用户输入错误时使用
			//用户同意规则
			if(agree == 1){
				System.out.println("请输入玩家名字: ");
				String userName=scanner.next();
				//for循环
				for(;;){								
					if(flag ==1){						
						System.out.println("系统玩家:  "+pcName+" 出战");
						System.out.println(userName+" 请出拳：1(石头)、2(剪刀)、3(布) (请输入相应的数字，输入0结束比赛)");
						//接收用户出拳
						userNum=scanner.nextInt();
						//电脑出拳
						pcNum=random.nextInt(2)+1;						
						//判断用户出拳
						switch(userNum){
							case 1:							
									System.out.println(userName+" 出拳：石头");
									break;					
							case 2:
									System.out.println(userName+" 出拳：剪刀");
									break;												
							case 3:							
									System.out.println(userName+" 出拳：布");
									break;						
							case 0:										
									System.out.println("退出成功，查看结果");
									flag=0;
									break;
							default:
									System.out.println("输入错误，重新输入");
									flagError=0;
									break;	
						}
						//用户退出
						if(flag ==0){
							break;//终止循环
						}
						//用户输入错误，重新输入
						if(flagError ==0){
							//程序给其赋值开始下一次循环
							flagError=1;
							continue;//只是终止本次循环，继续进行下一次循环
						}	
						//判断电脑出拳
							switch(pcNum){
								case 1:							
										System.out.println(pcName+"  出拳：石头");
										break;											
								case 2:						
										System.out.println(pcName+"  出拳：剪刀");
										break;											
								case 3:							
										System.out.println(pcName+"  出拳：布");
										break;
								default:
								break;
							}								
							//判断谁赢
							if((pcNum-userNum) > 0){
								System.out.println(userName+"  赢了");
								flag=1;
								a++;
							}else if((pcNum-userNum) ==0){
								System.out.println("平局");
								flag=1;					
								c++;
							}else{
								System.out.println(pcName+"  赢了");
								flag=1;
								b++;
							}							
						}else{
							flag=0;
							break;
						}
				}	
				
				System.out.println("*******************");				
				System.out.println(pcName+" 胜利 "+b+" 局");
				System.out.println(userName+" 胜利 "+a+" 局");
				System.out.println("平局："+c+" 局");
				if(a==b){
					System.out.println("最终结果：打平手！");
				}else if(a > b){
					System.out.println("最终结果："+userName+" 赢了");
				}else{
					System.out.println("最终结果："+pcName+" 赢了");
				}				
				System.out.println("*******************");
						
			}else{
				System.out.println("程序结束");
			}
		
	}
}

Result screenshot:

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