ShippingContainer.java
package shapes;
import shapes.SRectangle;
import java.util.Scanner;
import javax.swing.*;
import java.awt.*;
public class ShippingContainer {
    public static void main(String[] args) {
        Scanner dimensions = new Scanner(System.in);
        System.out.println( " Enter the width, length and height of the Shipping Container");
        double width = dimensions.nextDouble();
        double length = dimensions.nextDouble();

        double height = dimensions.nextDouble();
        SRectangle face = new SRectangle(length, width);
        double dia1 = face.diagonal();
        SRectangle key = new SRectangle(dia1, height);
        double distance = key.diagonal();
        System.out.println( " The longest object that can fit into the container diagonally is;" +distance);
    }
}