2-Post Write the implementation of the class Post. It implements the characteristics that are common to its sub-classes, here TextPost and PhotoPost. .Post implements the interface Likeable All the Post messages have a user name, a time stamp (of type java.util.Date), as well as a count for the number of likes. The value of the time stamp is automatically assigned when an object is created. Use java.util.Calendar.getinstance).getTime() to obtain a Date object representing the current time. A Date object has a method toString that converts this date to a String ate rightNou-Calondar-gotInstanca)goti); System.out.println(rightNow) Each call to the method like) increases the number of likes for this message. Post implements the interface Comparable. This interface allows you to compare two Post according to specific criteria. In this case the criteria will be the date of the post. For more information, refer to the Add the method isPopular. This method returns true if the post is considered popular (more the 100 likes), false otherwise. Do not forget the method toString0! 3- PhotoPost Implement the class PhotoPost. A PhotoPost is a specialized Post. It stores a file name and a caption. Override the method toString) by using the keyword "super" in your implementation NTempTemp1 lab4 template.zip NewsFeed javaSublime Text (UNREGISTERED) File Edit Selection Find View Goto Tools Project Preferences Help Likeable-java 3 with constant MAX SIZE NewsFeedjava PhotoPost,java Post,java TextPost.java 4 6 public class NewsFeed f 9 10 private Post[] messages; private int size; public static final int MAX SIZE = 25; public NewsFeed() 12 13 14 15 16 17 18 19 20 21 // Your code here public void add (Post message) // Your code here public Post get(int index) return messages [index]; 23 24 25 26 27 28 29 30 31 32 public int size) return size; public void sort)f int i, j, argMin; Post tmp; for (i = 0; size . 1; i++) { argMin i for (j = i + 1; j