Java I/O How to - Write float to a file








Question

We would like to know how to write float to a file.

Answer

/*from  w  ww.  jav  a2s  .  co 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:/WriteFloat.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    float f = 5.314f;
    dos.writeFloat(f);
    dos.close();
  }
}