Media Library System in Java: Explanation & Practice

Problem summary

Create Media base class with Book, Movie, Song. Each has different play() behavior.

Starter code

// Media: title, play() abstract
// Book: play() prints "Reading: title"
// Movie: play() prints "Watching: title"
// Song: play() prints "Playing: title"

public class Main {
    public static void main(String[] args) {
        // Create array of Media, call play() on each
    }
}

Expected output and test cases

• All media types

  Reading: 1984
  Watching: Inception
  Playing: Bohemian

• Book only

  Reading: Java Guide

• Movie only

  Watching: Matrix

Hints

1. Abstract Media class with abstract play()
2. Each subclass implements play()
3. Polymorphism calls correct method

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