读取txt文件

public class ReadFileByLines {
	public static void main(String[] args) {
		try {
			//1.打开一个file
			File file = new File("E:/test.txt");
			//2.InputStreamReader<-FileInputStream<-file
			FileInputStream fis = new FileInputStream(file);
			InputStreamReader is = new InputStreamReader(fis);
			//3.用BufferedReader(<-InputStreamReader)的readLine()方法读取
			BufferedReader br = new BufferedReader(is);

			//4.输出
			String txtLine = null;
			while ((txtLine = br.readLine()) != null) {
				System.out.println(txtLine);
			}
			br.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

public class ReadFileByLines {
	public static void main(String[] args) {
		try {
			
			File file = new File("E:/test.txt");
			
			BufferedReader br = new BufferedReader(new FileReader(file));
			
			String txtLine = null;
			while ((txtLine = br.readLine()) != null) {
				System.out.println(txtLine);
			}
			br.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}