ng.java: models a song object; must have these members (you can add more members if needed): String name; String artist String album int time static int numSongs; Song(String name, String artist, String album, int time){} getName(){} getArtis
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Create Playlist.java, Song.java, and PlayMusic.java.
- Song.java: models a song object; must have these members (you can add more members if needed):
- String name;
- String artist
- String album
- int time
- static int numSongs;
- Song(String name, String artist, String album, int time){}
- getName(){}
- getArtist(){}
- getAlbum(){}
- getTime(){}
- Playlist.java: models a playlist using an array of Song objects; must hvae the following members (you can add more members if needed):
- String name;
- String creator;
- Song[] songs;
- final int CAPACITY=20; //max size of a playlist
- Playlist(String name, String creator){}
- getName(){}
- addSong(Song song){}
- removeSong(Song song){}
- getSongs(){}
- Private data fields:
- Public methods:
- PlayMusic.java: This class will be the main class used to create and use Playlist and Song. This class should:
- Ask user for A name for their playlist
- Ask user for Creator name
- Ask user for The number of songs they will add to the playlist (must be < CAPACITY)
- Ask user for all information to create Song object
- Validate int input
- Continuously Prompt user to queue songs (a subset of the full playlist) by entering a number of songs (numQueue) to queue up from the playlist.
-
- Validate the input (must be <= to the size of the full playlist).
- Randomly display information for numQueue number of Songs from the user’s playlist (no repeats)
- Continue prompting the user to display a new random queue, until enter -1
- Use methods
- Write comments
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- Please paste the code for each completed class. Do not use ArrayList. Create Playlist.java, Song.java, and PlayMusic.java. Song.java: models a song object; must have these members (you can add more members if needed): String name; String artist String album int time static int numSongs; Song(String name, String artist, String album, int time){} getName(){} getArtist(){} getAlbum(){} getTime(){} Playlist.java: models a playlist using an array of Song objects; must hvae the following members (you can add more members if needed): String name; String creator; Song[] songs; final int CAPACITY=20; //max size of a playlist Playlist(String name, String creator){} getName(){} addSong(Song song){} removeSong(Song song){} getSongs(){} Private data fields: Public methods: PlayMusic.java: This class will be the main class used to create and use Playlist and Song. This class should: Ask user for A name for their playlist Ask user for Creator name Ask user for The number of songs they…In java language Deeper Class Design - the Square, Circle, Picture Class he Bigger Picture – The ObjectList (or ArrayList (v1.0)) Class A picture is simply a composition of shapes, and in this last section, we’ll build a class used to manage such a picture. We’ll create this new class by reusing code from an existing piece of software. We’ll create an Picture class that will contain, amongst other state items (data), an array (or list) of Objects that are the Squares and Circles in the Picture to be drawn. Picture.java will be a simple abstraction here, and will just “draw” shapes to the console in the order that they appear in the list –ignoring the coordinate pairs stored in each Shape for now. Again, note the static storage restriction of only 100 shapes per picture; in future sections, we’ll learn how to dynamically resize our arrays. Aside: when we get to working with any of the Java graphics framework classes and/or swing, then a simple use of this Picture class (called a…A FastCritter moves twice as fast as a regular critter. When asked to move by n steps, it actually moves by 2 * n steps. Implement a FastCritter subclass of Critter whose move method behaves as described. What do I need to change to make it work? import java.util.ArrayList; /** A simulated critter.*/public class Critter //superclass{ private int position; private ArrayList<String> history; /** Constructs a critter at position 0 with blank history. */ public Critter() { position = 0; history = new ArrayList<String>(); } /** Gets the history of this critter. @return the history */ public ArrayList<String> getHistory() { return history; } /** Adds to the history of this critter. @param newValue the desired state */ public void addHistory(String event) { history.add(event); } /** Gets the position of this critter. @return the position */ public int getPosition() {…
- My library > IT 145: Intro to Software Development home > 6.17: LAB: Course Grade library_bookszyBooks cataloghelpHelp/FAQ account_circleChristian Mendozaarrow_drop_down 1)Introduction expand_more 2)Methods/Objects/Classes expand_more 3)Decision Structures/Loops expand_more 4)Arrays and ArrayLists expand_more 5)Inheritance and Multiple Classes expand_more 6)Input/Output and Debugging expand_less 7)Documents expand_more 8)Abstract Classes and Interfaces expand_more 9)Optional For Cont. Learning expand_more 10)Optional Labs For Cont. Learning expand_more 11)Coding Practice Problems expand_more 12)How to use a zyBook expand_more arrow_upward6.16 LAB: File name change 6.17 LAB: Course Grade Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the…Create the class Suitcase. Suitcase has things and a maximum weight limit, which defines the greatest total allowed weight of the things contained within the Suitcase object. Add the following methods to your class: A constructor, which is given a maximum weight limit public void addThing(Thing thing), which adds the thing in the parameter to your suitcase. The method does not return any value. public String toString(), which returns a string in the form "x things (y kg)" The things are saved into an ArrayList object: ArrayList<Thing> things = new ArrayList<Thing>(); The class Suitcase has to make sure the thing's weight does not cause the total weight to exceed the maximum weight limit. The method addThing should not add a new thing if the total weight happens to exceed the maximum weight limit. Below, you find an example of how the class can be used: public class Main { public static void main(String[] args) { Thing book = new Thing("Happiness…(In java please) ( NO TOY CLASS PLEASE READ INSTRUCTION OR DOWN VOTE PLEASE LOOK AT TWO IMAGES BELOW FIRST ONE IS CURRENCY CLASS NEED THE SECOND IS INSTRUCTIONS ON HOW TO MAKE TEST CLASS. PLEASE NO TOY CLASS OR DOWN VOTE USE CURRENCY CLASS INSTEAD AND UPDATE IT) THIS A LinkNode structure or class which will have two attributes - a data attribute, and a pointer attribute to the next node. The data attribute of the LinkNode should be a reference/pointer of the Currency class of Lab 2. Do not make it an inner class or member structure to the SinglyLinkedList class of #2 below. A SinglyLinkedList class which will be composed of three attributes - a count attribute, a LinkNode pointer/reference attribute named as and pointing to the start of the list and a LinkNode pointer/reference attribute named as and pointing to the end of the list. Since this is a class, make sure all these attributes are private. The class and attribute names for the node and linked list are the words in bold in #1…
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