Wed Oct 13 2021
Copy Data File
Java Programming2546 views
File Name: copy-data-file.java
/* Data stream */
import java.io.*;
class copydatafile {
public static void main(String args[]) throws IOException {
FileOutputStream wf;
FileInputStream rf;
try {
wf = new FileOutputStream("outfile.txt");
rf = new FileInputStream("infile.txt");
DataOutputStream wd = new DataOutputStream(wf);
DataInputStream rd = new DataInputStream(rf);
/* Reading and writing file in 3 modes */
wd.writeDouble(rd.readDouble());
wd.writeInt(rd.readInt());
wd.writeUTF(rd.readUTF());
wd.close();
wf.close();
rd.close();
rf.close();
System.out.println("File Copied successfully!");
}
catch(FileNotFoundException e) {
System.out.println("File not found!");
}
}
}
/* Output */
File Not found!
/* ---------------------- */
File copied successfully!
Reference:
Author:Geekboots