Java I/O How to - Write long/integers to a file

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Question

We would like to know how to write long/integers to a file.

Answer

/*from w ww. j av  a 2 s.  c o  m*/
import java.io.DataOutputStream;
import java.io.FileOutputStream;

public class Main {

  public static void main(String[] args) throws Exception {
    FileOutputStream fos = new FileOutputStream("C:/WriteLong.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    long l = 65;
    dos.writeLong(l);
    
    for (int i = 0; i < 10; i++)
      dos.writeInt(i);
      
    dos.close();
  }
}

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