numberguessbean.java

来自「jsp网站编程技巧教程 想学jsp的来吧」· Java 代码 · 共 49 行

// 猜数字游戏
package num;
import java.util.*;
public class NumberGuessBean {
	int answer;
	boolean success;
	String hint;
	int numGuesses;
	public NumberGuessBean() {
		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 = "higher";
		}
		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;
	}
}