Q:

Java program to read content from one file and write it into another file

belongs to collection: Java File Handling Programs

mahmoud2506
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2022-05-07
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Given a file and we have to read content from it and write in another file using java program. This is an example of File Handling in Java.

 

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mahmoud2506
2022-05-07
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Program to read content from a file and write in another in java

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Scanner;

public class CopyFile {
  public static void main(String[] args) {
    try {
      boolean create = true;
      Scanner KB = new Scanner(System.in);

      System.out.print("Enter Source File Name:");
      String sfilename = KB.next();
      File srcfile = new File(sfilename);
      if (!srcfile.exists()) {
        System.out.println("File Not Found..");
      } else {
        FileInputStream FI = new FileInputStream(sfilename);
        System.out.print("Enter Target File Name:");
        String tfilename = KB.next();
        File tfile = new File(tfilename);
        if (tfile.exists()) {
          System.out.print("File Already Exist OverWrite it..Yes/No?:");
          String confirm = KB.next();
          if (confirm.equalsIgnoreCase("yes")) {
            create = true;
          } else {
            create = false;
          }
        }
        if (create) {
          FileOutputStream FO = new FileOutputStream(tfilename);
          int b;
          //read content and write in another file
          while ((b = FI.read()) != -1) {
            FO.write(b);
          }
          System.out.println("\nFile Copied...");
        }
        FI.close();
      }
    } catch (IOException e) {
      System.out.println(e);
    }
  }
}

Output

File Copied...

 

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