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package howobjectsbehave;

public class HoopWithEquals extends Hoop {

public HoopWithEquals(int xin, int yin, int d, int t) {

super(xin, yin, d, t);

}

public boolean equals(HoopWithEquals w) {

return (getDiameter() == w.getDiameter() &&

getThickness() == w.getThickness());

}

public HoopWithEquals clone() {

int outerDiameter = getDiameter();

int innerDiameter = outerDiameter - 2 * getThickness();

return new HoopWithEquals(getX(), getY(), outerDiameter, innerDiameter);

}

public static void main(String[] args) {

// Create a hoop

HoopWithEquals hoop = new HoopWithEquals(100, 66, 90, 20);

// An identical hoop, but a different object

HoopWithEquals hoop1 = hoop.clone();

System.out.println("hoop1 == hoop? " + (hoop1 == hoop) + "\t"

+ "hoop1.equals(hoop)? " + hoop1.equals(hoop));

// Point hoop1 to same object that hoop refers to

hoop1 = hoop;

System.out.println("hoop1 == hoop? " + (hoop1 == hoop) + "\t"

+ "hoop1.equals(hoop)? " + hoop1.equals(hoop));

}

}