RandomAccessFile类另 File file =new File(args [0] //建立 Randomaccessfile实例并以读写模式开后档案 Randomaccess file randomaccessFile new RandomAccessFile(file,"rw") for (int i=0; i< students. length; i++) //使用对应的 write方法写人数据 randomAccessFile writechars(students[i]. getName())i randomAccessFile. writeInt (students[i]. getscore())iRandomAccessFile类别 File file = new File(args[0]); //建立RandomAccessFile实例并以读写模式开启档案 RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rw"); for(int i = 0; i < students.length; i++) { //使用对应的write方法写入数据 randomAccessFile.writeChars(students[i].getName()); randomAccessFile.writeInt(students[i].getScore()); }