C5X15_LineTester.java

/*
LineTester.java     MrG     2011.1127
purpose:     abstract a line
         encapsulate m and b
         inherit equals(Object) and toString()
         morph Line to Object to Line
required files:     LineTester.java             main class
            Line.java               derived class
translator phase:   javac LineTester.java
interpreter phase:  java LineTester
*/
public class LineTester
{
    public static void main(String[] args)
    {
        //Line alana = new Line(1,3);
        //Line melo = new Line(1,1,4);
        //Line alana = new Line(1,2,3,4);
        //Line melo = new Line(1,1,4);
        Line alana = new Line(1,1,0,2);
        Line melo = new Line(1,1,1);

        System.out.println("isParallel() = " + alana.isParallel(melo));
        System.out.println("intersects() = " + alana.intersects(melo));
        System.out.println("equals() = " + alana.equals(melo));

        System.out.println(alana);
        System.out.println(melo);

        if(alana.intersects(melo))
        {
            System.out.print("POI = (" + alana.getX(melo));
            System.out.println(", " + alana.getY(melo) + ")");
        }
    }
}