Public class Square extends Shape{ /**Like with Shape, we will be making a static instance variable
* to keep track of how many squares we have made. It is very
* similar to the one in shape, and it's uses are similar as well.
* It too is initialized to zero.
*
* We may also need additional instance variables, which you should
* declare as needed. They will not need to be static nor initialized
* here though.
**/
/**You may need additional instance variables. Declare them here.
**/
/**The constructor for Square is a little more involved than the
* Shape constructor, as it takes a single double parameter representing
* the side length. It should also call the super constructor, as
* calling it increments the number of shapes made, which we should
* do (as a Square extends Shape). We also need to increment the
* instance variable representing the number of squares made, and handle
* our parameter appropriately.
**/
public Square(double sideLength){
}
/**Like with our other shapes, this is a simple getter method for our
* static instance variable.
**/ public static int getNumSquaresMade(){
return -1;
}
/**As always, we must override getSize() for our Square. A Square's size
* is simply it's side length squared.
**/
}
public class Shape{
private static int numShapesMade = 0;
public Shape(){
numShapesMade++;
}
public static int getNumShapesMade(){
return numShapesMade;
}
public double getSize(){
return 0;
}
}