Java编程-纸岩剪刀的入门器

Question

如果可能的话需要一些指导。对爪哇来说是新手。不知道为什么下面的代码石头，纸，剪刀游戏不起作用。欢迎您提出任何建议或建议。我知道在这个伟大的论坛上有很多例子--但我仍然掌握着基本知识。谢谢。

import java.util.*;         
import java.util.Scanner;   
import java.util.Random;     
public class Game       
{                           
    public static void main (String[] args){     

        int NumberofRoundsPlayed;        
        int NumberofRoundsWonbyHuman = 0;   

        Scanner Keyboard = new Scanner (System.in       

        System.out.println("DO YOU WANT TO PLAY ROCK PAPER SCISSORS- Y/N");                       
        String HumanPlaying  = Keyboard.nextLine();


        if(HumanPlaying ==("No"))
        {
            System.out.println("Game Over");
            System.exit(0);}
        }       

    int Paper = 1;  
    int Scissor = 2;    
    int Rock  = 3;      

    int HumanSelection;
    int humanroundsWon =0;

    System.out.println("HOW MANY ROUNDS DO YOU WANT TO PLAY");
    NumberofRoundsPlayed = Keyboard.nextInt();      

    while  (NumberofRoundsPlayed <= NumberofRoundsPlayed +1)  
    {
        Scanner Computer = new Scanner (System.in);
        Random rand = new Random();

        int ComputerChoice =Computer.nextInt(3)+1; 
        System.out.println(ComputerChoice);

      System.out.println("Select 1 for Paper, 2 for Scissor or 3 for Rock");                    
        HumanSelection = Keyboard.nextInt();

        //SEE WHO WINS

        If (ComputerChoice== 1)
        {
            If (HumanSelection==1)
            {
            System.out.println("Computer and Human Have Tied");
            }   Else if (HumanSelection==2)
            {
                System.out.println("Person Wins");
                humanroundsWon == humanroundsWon+1;
            }
            Else if (HumanSelection==3)
            {
                System.out.println("Computer Wins");
            }

        Else if (ComputerChoice==2)
        {
            If (HumanSelection==1)
            {
                System.out.println("computer Wins");

            }
            Else if (HumanSelection==2)
            {
            System.out.println("Computer and Person Have Tied");
            }
            Else if (HumanSelection==3)
            {
                System.out.println("Person Wins");
                humanroundsWon == humanroundsWon+1;

            }
        }

        Else if (ComputerChoice==3)
        {

    }
            If (HumanSelection==1)
            {
                System.out.println("Person Wins");
                humanroundsWon == humanroundsWon+1;
            }

        Else if (HumanSelection==2)
        {
            {       System.out.println("Computer Wins");
            }

            Else if (HumanSelection==)
            {
                    System.out.println("Tie");  
                    roundsWon == roundsone+1;
            }
        }
        }
    }
    }
 }

        System.out.println("Game Over");
            System.exit(0);}

Answer 1

这是代码，如果我对您的场景的理解是正确的话。当您提出问题时，请指出code实际上需要执行什么，以便其他人可以帮助您。还有一点提示，尝试使用像eclipse这样的IDE来帮助您编写代码。您可以找到它，这里只需根据您的平台架构( 32bit或64bit)下载Eclipse IDE for Java EE Developers并提取zip文件。然后运行eclipse IDE --它很简单

import java.util.*;         
import java.util.Scanner;   
import java.util.Random;     
public class Game       
{                           
    public static void main (String[] args){     

        int NumberofRoundsPlayed;        
        int NumberofRoundsWonbyHuman = 0;   

        Scanner Keyboard = new Scanner (System.in);      

        System.out.println("DO YOU WANT TO PLAY ROCK PAPER SCISSORS- Y/N");                       
        String HumanPlaying  = Keyboard.nextLine();


        if(HumanPlaying.equals("No"))
        {
            System.out.println("Game Over");
            System.exit(0);
        }



        int Paper = 1;  
        int Scissor = 2;    
        int Rock  = 3;      

        int HumanSelection;
        int humanroundsWon =0;

        System.out.println("HOW MANY ROUNDS DO YOU WANT TO PLAY");
        NumberofRoundsPlayed = Keyboard.nextInt();      

        while  (NumberofRoundsPlayed < NumberofRoundsPlayed++)  
        {
            Scanner Computer = new Scanner (System.in);
            Random rand = new Random();

            int ComputerChoice =Computer.nextInt()+1; 
            System.out.println(ComputerChoice);

            System.out.println("Select 1 for Paper, 2 for Scissor or 3 for Rock");                    
            HumanSelection = Keyboard.nextInt();

            //SEE WHO WINS

            if (ComputerChoice== 1)
            {
                if (HumanSelection==1)
                {
                    System.out.println("Computer and Human Have Tied");
                }
                else if (HumanSelection==2)
                {
                    System.out.println("Person Wins");
                    humanroundsWon++;
                }
                else if (HumanSelection==3)
                {
                    System.out.println("Computer Wins");
                }
            }
                else if (ComputerChoice==2)
                {
                    if (HumanSelection==1)
                    {
                        System.out.println("computer Wins");

                    }
                    else if (HumanSelection==2)
                    {
                        System.out.println("Computer and Person Have Tied");
                    }
                    else if (HumanSelection==3)
                    {
                        System.out.println("Person Wins");
                        humanroundsWon++;

                    }
                }

                else if (ComputerChoice==3)
                {


                    if (HumanSelection==1)
                    {
                        System.out.println("Person Wins");
                        humanroundsWon++;
                    }

                    else if (HumanSelection==2)
                    {
                        System.out.println("Computer Wins");
                    }

                    else if (HumanSelection==3)
                    {
                        System.out.println("Tie");  

                    }
                }

            }

        System.out.println("Game Over");
        System.exit(0);
        }
    }

Answer 2

如果它不编译，Scanner Keyboard = new Scanner (System.in是一个不完整的语句。