Question

In a class named InputTextToOutputFile.java use the following prompt to get the fileName of the output file from the user: “What is the name of your output file?”

Once the output file is opened, write everything the user types until the input contains “STOP!” Note: Include the line containing “STOP!” as the last thing written to the file.

Answer 1

Program:

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class InputTextToOutputFile
{
public static void main(String[] args) throws IOException
{
Scanner in=new Scanner(System.in);//Scanner object to get user input
  
   System.out.println("What is the name of your output file? ");
  
   String fileName = in.nextLine();//get output file name
  
   File file = new File(fileName);//File object with fileName as input
  
   //Create the file by method file.createNewFile()
   if (file.createNewFile())
   {
   System.out.println("File is created!");
   } else {
   System.out.println("File already exists.");
   }
  
   //FileWriter object with user file name given as input
   FileWriter writer = new FileWriter(file);
   System.out.println("Enter text to write to a file : ");
   String line;//variable to store line content
   do {
       line=in.nextLine();//get line content from user
       writer.write(line+"\n"); //write content to file by adding new line(\n) character
   }while(!line.equals("STOP!"));//repeat a loop until user enters "STOP!" line
  
   writer.close();//close the file object
}
}

Sample Input & Output: