键盘操作练习

public class TypeKey {
	public static void main(String[] args) {
		System.out.println("键盘练习（输入#结束程序）");
		System.out.println("输入显示的字母（回车）\n");
		Letter letter;
		letter = new Letter();
		GiveLetterThread giveChar;
		InuptLetterThread typeChar;
		giveChar = new GiveLetterThread();
		giveChar.setLetter(letter);
		giveChar.setSleepLength(3200);
		typeChar =new InuptLetterThread();
		typeChar.setLetter(letter);
		giveChar.start();
		typeChar.start();
	}

}

public class Letter {
	char c='\0';
	public void setChar(char c) {
		this.c=c;
	}
	public char getChar() {
		return c;
	}
}

public class GiveLetterThread extends Thread {
	Letter letter;
	char startChar ='a',endChar = 'z';
	int sleepLength =5000;
	public void setLetter(Letter letter) {
		this.letter = letter;
	}
	public void setSleepLength(int n) {
		sleepLength = n;
	}
	public void run() {
		char c=startChar;
		while(true) {
			letter.setChar(c);
		System.out.printf("显示的字符:%c%d\n",letter.getChar());
		try {
			Thread.sleep(sleepLength);
		}
		catch(InterruptedException e) {}
		c=(char)(c+1);
		if(c>endChar)
			c=startChar;
	}
  }
}

import java.awt.*;
import java.util.Scanner;
public class InuptLetterThread extends Thread{
	Scanner reader;
	Letter letter;
	int score=0;
	InuptLetterThread(){
		reader=new Scanner(System.in);
	}
	public void setLetter(Letter letter) {
		this.letter=letter;
	}
	public void run() {
		while(true) {
			String str=reader.nextLine();
			char c=str.charAt(0);
			if(c==letter.getChar()) {
				score++;
				System.out.printf("\t\t输入对了，目前分数%d\n",score);
			}
			else {
				System.out.printf("\t\t输入错了，目前分数%d\n",score);
			}
			if(c=='#')
				System.exit(0);
		}
	}
}