Java逐行读取数据

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;

public class ClassInfoSort {

	static String str = null;

	public static void main(String[] args) {
		read();
	}
	public static void read() {
		File file = new File("test.txt");
		FileInputStream fin = null;
		BufferedReader bfr = null;
		try {
			fin = new FileInputStream(file);
			bfr = new BufferedReader(new InputStreamReader(fin));
			String str = null;
			while((str=bfr.readLine()) != null) {
				System.out.println(str);
			}
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				fin.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		
	}
}