A simple program for LIfe,Universe And Everything5 in java is showing 4468MB memory use. How come?

Code:

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

public class Main
{

    public static void main(String[] args) throws IOException {
        
        Scanner sc=new Scanner(System.in);

        long no;
        for(;;)
        {

            no=sc.nextLong();
            if(no==42)
            {
               sc.close();
               break; 
            }
            System.out.println(no);
            
        }
        
        
    }
       
    
}