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import java.io.*;
public class Hanzi1
{
public static void main(String[] args)
{
try
{
DataOutputStream dos = new DataOutputStream(new FileOutputStream("d:\\dd.txt"));
dos.writeFloat(0.12345f);
dos.close();
DataInputStream dis=new DataInputStream(new FileInputStream("d:\\dd.txt"));
float f=dis.readFloat();
System.out.println(" f is "+f);
dis.close();
}
catch (IOException e)
{
// TODO: handle exception
System.out.println(e);
}
}
}