Thu Oct 07 2021
DataStream File
Java Programming1256 views
File Name: datastream-file.java
/* Data stream */
import java.io.*;
class datafile {
public static void main(String args[ ]) throws IOException {
/* Declare and create input file */
FileOutputStream wf = new FileOutputStream("datafile.txt");
DataOutputStream wd = new DataOutputStream(wf);
/* Write double in the file */
wd.writeDouble(22.05);
/* Write integer in the file */
wd.writeInt(2014);
/* Write string in the file */
wd.writeUTF("DataStream File");
System.out.println("File Created!");
wd.close();
wf.close();
/* Read the file */
FileInputStream rf = new FileInputStream("datafile.txt");
DataInputStream rd = new DataInputStream(rf);
System.out.println("Reading File -");
/* Read double from the file */
System.out.println(rd.readDouble());
/* Read integer from the file */
System.out.println(rd.readInt());
/* Read string from the file */
System.out.println(rd.readUTF());
rd.close();
rf.close();
}
}
/* Output */
File Created!
Reading File -
22.05
2014
DataStream File
Reference:
FileOutputStream, FileInputStream, DataOutputStream and DataInputStream
Author:Geekboots