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);}}}