testreader.java

该文件在eclipse环境上运行

package test.io;
import java.io.*;
public class TestReader {

	public static void main(String[] args)throws Exception {
		InputStream in = 
			new FileInputStream("test.txt");
		InputStreamReader ir =
			new InputStreamReader(in);
		BufferedReader br = 
			new BufferedReader(ir);
		String s = null;
		while((s=br.readLine())!= null){
			System.out.println(s);
		}
		br.close();
	}

}