java-猜數字遊戲

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簡述:遊戲涉及到game和player兩個對象,game會產生介於0-9之間的隨機數

程式邏輯:

  1. GameLauncher這個類帶有main()方法,是應用程式的進入點
  2. main()中會建立出GuessGame對象,並調用她的startGame()方法
  3. startGame()方法是遊戲的起點,它會建立3個player,然後挑出猜測的隨即數字,它會要求player猜測並檢查結果,過程會被列出來

類:

  • GameLauncher.class
  • GuessGame.class
  • Player.class

GameLauncher.class

1 public class Gamelauncher {2     public static void main(String[] args) {3         GuessGame game = new GuessGame();4         game.startGame();5     }6 }

 

GuessGame.class

 1 public class GuessGame{ 2     //用3個執行個體變數分別表示3個player對象 3     Player p1; 4     Player p2; 5     Player p3; 6     public void startGame(){ 7         //建立player對象 8         p1= new Player(); 9         p2 = new Player();10         p3= new Player();11         //定義3個變數來儲存是否猜中12         int guessp1 = 0;13         int guessp2 =0;14         int guessp3 = 0;15         //定義3個變數來儲存猜測的數字16         boolean p1isright = false;17         boolean p2isright =false;18         boolean p3isright =false;19         int   tarnum =(int)(Math.random()*30);  //產生謎底數字20         System.out.println("i guess 1 to 30");21         while(true)22         {23             System.out.println("number to guess is "+tarnum);24             p1.guess();  //調用Player中guess方法25             p2.guess();26             p3.guess();27             //取得每個player所猜測的數字將其列出28             guessp1 =p1.number;29             System.out.println("one "+guessp1 );30             guessp2 = p2.number;31             System.out.println("two "+guessp2);32             guessp3=p3.number;33             System.out.println("three "+guessp3);34             //檢查是否猜中,35             if (guessp1==tarnum) 36             {37                 p1isright=true;38             }39             if (guessp2==tarnum)40             {41                 p2isright=true;42                 }43             if (guessp3==tarnum)44             {45                 p3isright=true;46             }47             //如果猜中一個或者多個...48             if(p1isright||p2isright||p3isright)49             {50                 System.out.println("we are  a winner");51                 System.out.println("one "+p1isright);52                 System.out.println("two "+p2isright);53                 System.out.println("three "+p3isright);54                 System.out.println("game is over");    55                 break;  //因為上面while為true,所以會一直執行,直到if語句為真,執行下面的break才會結束迴圈56         }57         else 58             {System.out.println("123");}59     }    60 }61 }

 

Player.class

1 public class Player {2     int number = 0;  //要被猜的數字3     public void guess(){4         number =(int )(Math.random()*30);5         System.out.println("i guessing"+number);6     }7     }

 

java-猜數字遊戲

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