import javax.swing.JOptionPane; 
public class GuessNumber 
{      
     public static void main (String args[ ]) 
     {  
           guess(); 
      } 
      static void guess(){ 
       System.out.println("給你一個1至100之間的整數,請猜測這個數"); 
           int realNumber=(int)(Math.random()*100)+1; 
           int yourGuess=0; 
           String str=JOptionPane.showInputDialog("輸入您的猜測:");   
           yourGuess=Integer.parseInt(str);  
           while(yourGuess>=1&&yourGuess<=100) //迴圈條件  
           { 
              if(realNumber<yourGuess) //條件程式碼  
               { 
                   str=JOptionPane.showInputDialog("猜大了,再輸入你的猜測:"); 
                   yourGuess=Integer.parseInt(str);  
               } 
             else if(yourGuess<realNumber) //條件程式碼  
               { 
                   str=JOptionPane.showInputDialog("猜小了,再輸入你的猜測:"); 
                   yourGuess=Integer.parseInt(str);  
               }
    
     
    
           }
   
            System.out.println("猜對了");
      } 
}