Java中对文件的信息的读出，输出在控制台上

package util;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class fileWriter {

 public static void main(String[] args) throws IOException {

  // 读文件

  File file = new File("test.txt");
  FileInputStream fout = new FileInputStream(file);
  byte buffer[] = new byte[512];

  int avg = fout.read(buffer);
  System.out.print(new String(buffer, 0, avg));
  fout.close();

 }

}