ki. Make SpecialDate immutable type2 Q2. Implement equality method in SpecialDate such that TestDate Q3. Use Git with every step completed. works correctly. class SpecialDate { int year; int month; int day; public SpecialDate(int day, int month, int year) { this.day = day; this.month = month; this.year year; } } public class TestDate { public static void main(String [] args) { //Step1: create an instance of set type as HashSet 1/Step 2: create four birthdays of type SpecialDate // Ahmad 1/1/1990 // Salem 10/2/1994 // Jaber 5/9/2000 // Samer 1/1/1990 I/Step 3: Add these date to HashMap //Step 4: Using equals(), compare the birthdays objects // of Samer & Ahmad birthdays objects in the map. //Step 5: You discovered that Samer birthday is 1/1/1991 // Fix Samer birthday using the instance created in Step 2 // Lookup and print Samer birthday from the map } }