Question

Java assignment

Get a file name fname for output

• Get number of data (numbers) (N) you want to process from the user

• Get N numbers from the users through keyboard and store them in an array

• Write the numbers into the file fname

Answer 1

The code is given below

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import java.io.FileWriter;
import java.util.Scanner;
public class Main
{
   public static void main(String[] args) {
   try{
   System.out.println("Enter a number: ");
   Scanner in=new Scanner(System.in);
   int n=in.nextInt();
   int[] arr=new int[n];
   for(int i=0;i<n;i++){
   arr[i]=in.nextInt();
   }
   in.nextLine();//taking last unskipped enter
   System.out.pritnln("Enter fileName");
   String fname=in.nextLine();
FileWriter fw=new FileWriter(fname);
for(int i=0;i<n;i++){
fw.write(arr[i]+"\n");
}
fw.close();
}catch(Exception e){System.out.println(e);}
System.out.println("Success...");
}
   }
}