import java.io.*;import java.util.Scanner;public class Write_display {
public static void main(String[] args)throws IOException{
BufferedWriter w = new BufferedWriter(new FileWriter("D:\\tester1.txt"));
BufferedReader r = new BufferedReader(new FileReader("D:\\tester1.txt"));
Scanner in = new
不用FileWriter,BufferedWriter.------------------------------------------import java.io.*;public class Test {String s=null;try{BufferedReader br=new BufferedReader(new Fil
