HtWt.java

package Q17_08_Circus_Tower;

public class HtWt implements Comparable<HtWt> {
	private int height;
	private int weight;
	public HtWt(int h, int w) { height = h; weight = w; }
	
	public int compareTo(HtWt second) {
		if (this.height != second.height) { 
			return ((Integer)this.height).compareTo(second.height);
		} else {
			return ((Integer)this.weight).compareTo(second.weight);
		}
	}
	
	public String toString() {
		return "(" + height + ", " + weight + ")";
	}
	
	/* Returns true if "this" should be lined up before "other". Note 
	 * that it's possible that this.isBefore(other) and 
	 * other.isBefore(this) are both false. This is different from the 
	 * compareTo method, where if a < b then b > a. */
	public boolean isBefore(HtWt other) {
		if (height < other.height && weight < other.weight) {
			return true;
		} else {
			return false;
		}
	}
}