Java tutorial
import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; public class Main { public static void main(String[] args) throws IOException { float[] fbuf = { 123.345f, 234.567f, 123.123f, 123.123f, 123.123f, 123.345f }; FileOutputStream fos = new FileOutputStream("c:\\test.txt"); DataOutputStream dos = new DataOutputStream(fos); for (float f : fbuf) { dos.writeFloat(f); } dos.flush(); InputStream is = new FileInputStream("c:\\test.txt"); DataInputStream dis = new DataInputStream(is); while (dis.available() > 0) { float c = dis.readFloat(); System.out.print(c + " "); } } }