package Question9_7; public class HtWt implements Comparable { private int Ht; private int Wt; public HtWt(int h, int w) { Ht = h; Wt = w; } public int compareTo( Object s ) { HtWt second = (HtWt) s; if (this.Ht != second.Ht) { return ((Integer)this.Ht).compareTo(second.Ht); } else { return ((Integer)this.Wt).compareTo(second.Wt); } } public String toString() { return "(" + Ht + ", " + Wt + ")"; } public boolean isBefore(HtWt other) { if (this.Ht < other.Ht && this.Wt < other.Wt) { return true; } else { return false; } } }