314 students

try
 {
    FileInputStream file_in = new FileInputStream("data314");
    DataInputStream data_in = new DataInputStream(file_in);
    do
       {
          String record = data_in.readUTF();   // UTF is for strings

          CODE TO HANDLE THE STRING DATA
    
          counter ++;
       }  while  ( counter <10);

         REST OF YOUR PROGRAM CODE

   }
catch (IOException e )
   {
      HANDLE ERROR CONDITION  like print message

   }

211 students

try
 {
    FileInputStream file_in = new FileInputStream("data1");
    DataInputStream data_in = new DataInputStream(file_in);
    Char race, gender;
    int age, weight;
    int counter=0; 
      DECLARE ALL OTHER COUNTER YOU WILL NEED

   do
       {
          race  = data_in.readChar();
          gender = data_in.readChar();
          age = data_in.readInt();
          weight = data_in.readInt();

          CODE TO HANDLE THE data one record at a time

          counter ++;
       }  while  ( counter <10);

         REST OF YOUR PROGRAM CODE

   }
catch (IOException e )
   {
      HANDLE ERROR CONDITION  like print message

   }