Copy Contents from One to Another File

In this tutorial you will learn how to copy file contents from one file to another file

Java File Copy File Contents Example

To Copy a data from the file, read line from one file and write it to the new file as

FileCopy.java

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class FileCopy {
	public static void main(String[] args) {
		try {

			File newFile = new File("D:\\test-file.jsp");
			FileWriter fileWriter = new FileWriter(newFile);
			PrintWriter printWriter = new PrintWriter(fileWriter);

			File file = new File("D:\\registration.jsp");
			FileInputStream fileInputStream = new FileInputStream(file);
			DataInputStream dataInputStream = new DataInputStream(
					fileInputStream);
			BufferedReader bufferedReader = new BufferedReader(
					new InputStreamReader(dataInputStream));
			String fileData = "";
			while ((fileData = bufferedReader.readLine()) != null) {
				printWriter.println(fileData);
			}
			fileWriter.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

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