import java.io.*;
import java.util.*;
public class Driver {
public static void main(String[] args) {
ArrayStuff a1 = new ArrayStuff();
System.out.println("Base array (randomly generated):\n");
System.out.println(a1);
System.out.println("\nMean:\n");
System.out.println(a1.mean());
System.out.println("\nStandard Deviation:\n");
System.out.println(a1.stddev());
System.out.println("");
}
}