package javaapplication1;
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 JavaApplication1 {
public static void main(String[] args) throws IOException {
String sFilePath = "d://data.txt";
double[] dArr = {3.14, 8.97, 13.99, 89.25, 871.111, 113.301};
try {
DataOutputStream dos;
try (FileOutputStream fos = new FileOutputStream(sFilePath)) {
dos = new DataOutputStream(fos);
for (double d : dArr) {
dos.writeDouble(d);
}
}
DataInputStream dis;
try (InputStream is = new FileInputStream(sFilePath)) {
dis = new DataInputStream(is);
while (dis.available() > 0) {
double d = dis.readDouble();
System.out.print(d + " ");
}
}
} catch (IOException ioe) {
System.out.println(ioe);
}
}
}
/*
run:
3.14 8.97 13.99 89.25 871.111 113.301
*/
