constructors and mutator methods should

check to make sure that it is always odd. Write a test program for each class that tests all

the methods in the class.
You can assume that the width of the base of the arrowhead is at least 3.public abstract

class ShapeBase implements ShapeInterface
{
private int offset;
public abstract void drawHere();
public void drawAt(int lineNumber)
{
for (int count = 0; count < lineNumber; count++)
System.out.println();
drawHere();