Hello, I am having trouble with my code on part 6. I am trying to create a trapezoid and circle. I know the return area calculation in the Circle and Trapezoid classes are incorrect, but there are also errors in the Test class.

//Test

package test;

import base.ShapeBase; import shape.Circle; import shape.Rectangle; import shape.Trapezoid; import shape.Triangle;

public class Test { private static void displayArea(ShapeBase shape) { // Show polymorphic in action by getting the Shapes Name and Area System.out.println("This is a shape named " + shape.getName() + " with an area of " + shape.calculateArea()); }

public static void main(String[] args) { // Create an array of Base Shapes and initialize to specific Shapes ShapeBase[] shapes = new ShapeBase[4]; shapes[0] = new Rectangle("Rectangle", 10, 200); shapes[1] = new Triangle("Triangle", 10, 50); shapes[2] = new Circle("Circle", 10, 100); shapes[3] = new Trapezoid("Trapezoid", 5, 300); //For all Shapes display its area for(int x = 0; x

}

}

======================================

//ShapeBase

package base;

public class ShapeBase implements ShapeInterface { protected String name; protected int width, height; public ShapeBase(String name, int width, int height) { this.name = name; this.width = width; this.height = height; } public String getName() { return this.name; } @Override public int calculateArea() { return -1; } }

=================================================

//ShapeInterface

package base;

public interface ShapeInterface { int calculateArea();

}

================================

//Circle

package shape;

import base.ShapeBase;

public class Circle extends ShapeBase { public Circle(String name, int width, int height) { super(name, width, height); } @Override public int calculateArea() { return width * height; }

}

====================================

//Rectangle

package shape;

import base.ShapeBase;

public class Rectangle extends ShapeBase { public Rectangle(String name, int width, int height) { super(name, width, height); } @Override public int calculateArea() { return width * height; }

}

====================================

//Trapezoid

package shape;

import base.ShapeBase;

public class Trapezoid extends ShapeBase { public Trapezoid(String name, int width, int height) { super(name, width, height); } @Override public int calculateArea() { return width * height/2; }

}

===========================

//Triangle

package shape;

import base.ShapeBase;

public class Triangle extends ShapeBase { public Triangle(String name, int width, int height) { super(name, width, height); } @Override public int calculateArea() { return width * height/2; }

}

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