Q6(Practical).java

6.Write a program that copies content of one file to another. Pass the names of the files through command-line arguments.
  

/**** Copy.java ****/
import java.io.*;
public class Copy {
public static void main(String[] args) throws Exception {
if (args.length != 2) {
System.err.println("Usage: java Copy <src> <dest>");
} else {
int i;
FileInputStream fin = new FileInputStream(args[0]);
FileOutputStream fout = new FileOutputStream(args[1]);
while ((i = fin.read()) != -1) {
fout.write(i);
}
fin.close();
fout.close();
System.out.println(
"Copied contents of" + args[0] + " to " + args[1]
);
}
}
}

Output -
  
> java Copy src.txt dest.txt
Copied contents of src.txt to dest.txt
> type .\src.txt
Harsh Meena
===========
University of Delhi
> type .\dest.txt
Harsh Meena
===========
University of Delhi