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Migratory Birds Hackerrank Solution In migratory birds hackerrank problem we need to help study the population of birds migrating across the continent. Each type of bird we are interested in identified by an integer value. We add the id number in the array of sightings whenever a bird of particular type is spotted. We need to find out which type of bird is most commonly sighted. Our task is to print the type number Taum and B’day HackerRank Problem – Taum is planning to celebrate the birthday of his friend, Diksha. There are two types of gifts that Diksha wants from Taum: one is b black and the other is w white. To make her happy, Taum has to buy black gifts and white gifts. The cost of each black gift is bc units. The cost of every white gift is wc units. The cost of converting each black gift into white gift or … Ja*a Varargs Simple Addition Problem: You are given a clas* Solution and its main method in the editor. Your task is to create the clas* Add and the required methods so that the code prints the sum of the numbers pas*ed to the function add. Before solve this problem, firstly know about JA*A VARARGS – It is a variable argument. The varrags allows the method to accept zero or muliple arguments. Before varargs Ja*a Inheritance II HackerRank Problem : Write the following code in your editor below: A clas* named Arithmetic with a method named add that takes 2 integers as parameters and returns an integer denoting their sum. A clas* named Adder that inherits from a superclas* named Arithmetic. Your clas*es should not be public. Firstly know about Inheritance in JA*A – Inheritance is an important pillar of OOP(Object Oriented Programming). It is the mechanism in ja*a by which one clas* is … Problem related to Ja*a Datatypes Hackerrank Problem :  Ja*a has 8 primitive datatypes: char, boolean, byte, short, int, long, float, and double are Ja*a Datatypes. For this Ja*a DataTypes Hackerrank Problem, we’ll work with the primitives used to hold integer values (byte,