writefile.java

JAVA培训教程

import java.io.*;

public class WriteFile {
	public static void main (String[] args) {
		File file = new File("tt.txt");
		try {
			InputStreamReader  is = new InputStreamReader (System.in);
			BufferedReader in=new BufferedReader(is);	
			FileWriter fw = new FileWriter(file);
			PrintWriter out = new PrintWriter(fw);
			String s = in.readLine();
			// 从键盘逐行读入数据输出到文件
			while (!s.equals("")) {	
				out.println(s);
				s = in.readLine();
			}
			in.close();  // 关闭BufferedReader输入流.		     
			out.close(); // 关闭连接文件的PrintWriter输出流.
		}catch (IOException e) {
			System.out.println(e);  
		}
	}
}