guessbean.java

jsp数据库编程入门

package test;
import java.util.*;

public class GuessBean
{
	 int answer;
	 boolean success;
	 String hint;
	 int numGuesses;
	 public GuessBean() 
	 {
	 	reset();
	 }
	public void setGuess(String guess)
	{
		 numGuesses++;
		 int g;
		 try 
		 {
		 	g=Integer.parseInt(guess);
		 }
		 catch(NumberFormatException e)
		 {
		 	 g=-1;
		 } 
	if(g==answer) 
	{
		success=true;
	}
	 else if(g==-1) 
	 {
	 	hint="a number next time";
	 }
	 else if(g<answer) 
	 {
	 	hint="highter";
	 }
	 else if(g>answer) 
	 {
	 	 hint="lower";
	 }
	}
	public boolean getSuccess() 
	{
		return success;
	}
    public String getHint() 
    {
    	return ""+hint;
    }
    public int getNumGuesses()
    {
    	 return numGuesses;
    }
    	
   public void reset()
   {
   	  answer=Math.abs(new Random().nextInt()%100)+1;
   	  success=false;
   	  numGuesses=0;
   }
}