DataOutputStream
的DataOutputStream.writeFloat(float v)
方法具有以下語法。
public final void writeFloat(float v) throws IOException
在下面的程式碼中展示了如何使用DataOutputStream.writeFloat(float v)
方法。
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 = { 12.34f, 23.34f, 45.56f, 67.78f, 12.55f, 77.88f };
FileOutputStream fos = new FileOutputStream("c:\\test.txt");
DataOutputStream dos = new DataOutputStream(fos);
for (float f : fbuf) {
dos.writeFloat(f);
}
dos.flush();// from:w W w . y IIB a I .C oM
InputStream is = new FileInputStream("c:\\test.txt");
DataInputStream dis = new DataInputStream(is);
while (dis.available() > 0) {
float c = dis.readFloat();
System.out.print(c);
}
}
}