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Home > Java > Java Program to read data from file through inputfilestream and write its contents on another file through fileoutputstream – Q35

Java Program to read data from file through inputfilestream and write its contents on another file through fileoutputstream – Q35


Q35: Java Program to read data from file through inputfilestream and write its contents on another file through fileoutputstream.

import java.io.*;
import javax.swing.*;

class File_RW{

	public static void main(String args[]) throws IOException{
		
		String f_name = JOptionPane.showInputDialog("Enter a file name: ");
		InputStream infile = new FileInputStream(f_name);
		int fsize = infile.available();
		
		f_name = JOptionPane.showInputDialog("Enter a file name to Save As: ");
		OutputStream outfile = new FileOutputStream(f_name, true);
		
		System.out.println("Reading File : " + f_name + "\n");
		char ch;
		for(int i=0; i<fsize; i++){
			ch = (char)infile.read();
			outfile.write(ch);
			System.out.print(ch);
		}
		infile.close();
		outfile.close();
		System.out.println("File Successfully Copied.");
	}
}

… from College notes (BCA/MCA assignments):


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