zy4.java

用JAVA编写的在线考试系统

import java.io.*;
class thread1 extends Thread {
	public void run(){
		try{
			
		FileWriter fw=new FileWriter("E:\\包成星\\ZY4\\zy4.txt");
		BufferedWriter bw=new BufferedWriter(fw);
		bw.write(in.in());
		bw.close();
		notify();
		}catch(Exception e){}
		}
	}
	
class thread2 extends Thread {
	public void run(){
		try{
			wait();
		
			FileReader fr=new FileReader("E:\\ZY4\\zy4.txt");
			BufferedReader br=new BufferedReader(fr);
			System.out.println(br.read());
			
			}catch(Exception e){}
		}
	}
class in{
	static String in(){
	String data=null;
	try{
		System.out.println("请输入要显示及保存的文档:");
		InputStreamReader isr=new InputStreamReader(System.in);
	BufferedReader br=new BufferedReader(isr);
	    data=br.readLine();
	    System.out.println(data);
	    br.close();
		}catch(Exception e){}	
		return data;
		}
	}

public class ZY4{
	public static void main(String[] args){
		thread1 t1=new thread1();
		thread2 t2=new thread2();
		t1.start();
		t2.start();
	}
}