A Class Implements the Comparable Interface

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[edit] Overview - A Class Implements the Comparable Interface

This is a Java example program.

[edit] Java Source Code

  • Package: example.comparator
  • File: Time.java 
  1. package example.comparator;
  2.  
  3. public class Time implements Comparable {
  4.     private int hour, minute;
  5.  
  6.     public Time(int hh, int mm) {
  7. 	this.hour = hh;
  8. 	this.minute = mm;
  9.     }
  10.  
  11.     public int compareTo(Object o) {
  12. 	Time t = (Time) o;
  13. 	return hour != t.hour ? hour - t.hour : minute - t.minute;
  14.     }
  15.  
  16.     public boolean equals(Object o) {
  17. 	Time t = (Time) o;
  18. 	return hour == t.hour && minute == t.minute;
  19.     }
  20.  
  21.     public int hashCode() {
  22. 	return 60 * hour + minute;
  23.     }
  24. }

[edit] What Result You Can Get

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[edit] Required External Libraries and/or Files for this Java Example

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