COMP1406A/1006A (Fall 2020) ? "Introduction to Computer Science II" - IT Assignment Help

Assignment Task:

Task:

The goal of this assignment is to introduce two important concepts in Object Oriented Programming: inheritance and polymorphism. We will extend the classes from Assignment 1 by adding different classes of Musician, and have them perform by leveraging inheritance and polymorphism. We also learn encapsulation.

Every question is worth 5 marks.
0) Include a file “README.txt” in the folder assign2. For each question below, please document either
a) it works
b) tried some things but does not work / has errors, with possibly a brief description of the error
c) did not get to it.
This will help the TA to know where to look to give part marks, and provides 5 easy marks for you.

1) Open up Song.java. Make getters and setters for name and genre. Do the same for Musician.java and the name, numKnownSongs, and knownSongs (knownSongs is optional) member variables.

2) Still in Musician.java, make a “getter” for knownSongs called “public Song getSongAtIndex(int index)” that takes a int index as an argument. This method should return the Song at the specified index, or null if there is no Song at that index. If the index is larger than the array or less than zero it should also return null.

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