fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.  
  11. public static class CalendarDate implements Comparable<CalendarDate> {
  12.     private int month;
  13.     private int day;
  14.  
  15.     public CalendarDate(int month, int day) {
  16.         this.month = month;
  17.         this.day = day;
  18.     }
  19.  
  20.     public int compareTo(CalendarDate other) {
  21.         if (month != other.month) {
  22.             return month - other.month;
  23.         }
  24.         else {
  25.             return day - other.day;
  26.         }
  27.     }
  28.  
  29.     public String toString() {
  30.         return month + "/" + day;
  31.     }
  32. }
  33.  
  34.  
  35. 	public static void main (String[] args) throws java.lang.Exception {
  36.         ArrayList<CalendarDate> birthday = new ArrayList<CalendarDate>();
  37.         birthday.add(new CalendarDate(1, 23));
  38.         birthday.add(new CalendarDate(5, 18));
  39.         birthday.add(new CalendarDate(12, 17));
  40.         birthday.add(new CalendarDate(2, 29));
  41.         birthday.add(new CalendarDate(8, 6));
  42.  
  43.         System.out.println("birthdays = " + birthday);
  44.         Collections.sort(birthday);
  45.         System.out.println("birthdays = " + birthday);
  46. 	}
  47. }
  48.  
Success #stdin #stdout 0.08s 380224KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
birthdays = [1/23, 5/18, 12/17, 2/29, 8/6]
birthdays = [1/23, 2/29, 5/18, 8/6, 12/17]
https://ideone.com/OW6wjD
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!