Write float to a file using DataOutputStream
import java.io.DataOutputStream; import java.io.FileOutputStream; public class Main { public static void main(String[] args) throws Exception { String strFilePath = "C:/Float.txt"; FileOutputStream fos = new FileOutputStream(strFilePath); DataOutputStream dos = new DataOutputStream(fos); float f = 3.14f; dos.writeFloat(f); dos.close(); } }