1	
     2	public class Figure {
     3		public double getArea(int length, String shape){
     4			double area = 0;
     5			if (shape.equals("Square")){
     6				// length * length
     7				Square square = new Square(length);
     8				area = square.getArea();
     9			} else if (shape.equals("Circle")){
    10				// pi * length * length
    11				Circle circle = new Circle(length);
    12				area = circle.getArea();
    13			} else if (shape.equals("EquilateralTriangle")){
    14				// (Square root 3 / 4) * length * length
    15				EquilateralTriangle equilateralTriangle = new EquilateralTriangle(length);
    16				area = equilateralTriangle.getArea();
    17			}
    18			return area;
    19		}
    20	}