readfile.java

JAVA培训教程

import java.io.*;

public class ReadFile {
	public static void main (String[] args) {
		String fname = "ReadFile.java";
		File f = new File(fname);
		try {
			FileReader fr = new FileReader(f);
			BufferedReader br = new BufferedReader(fr);
			String s = br.readLine();
			while ( s != null ) {
				System.out.println("读入: " + s);
				s = br.readLine();
			}			
			br.close();// 关闭缓冲读入流及文件读入流的连接.
		} catch (FileNotFoundException e1) {
			System.err.println("File not found: " + fname);
		} catch (IOException e2) {
			e2.printStackTrace();
		}
	}
}