Driver.java

public class Driver {
    public static void main(String[] args) {
        Array3D a3 = new Array3D();
        System.out.println(a3);
        System.out.println(a3.find(as.get(18)));
        System.out.println(a3.find(-20));
        System.out.println(a3.get(as.findMaxIndex()));
	System.out.println(a3.mean());
	System.out.println(a3.stddev());

        
    }
            
}