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feat: adds Bryana's custom hip hop artist classes and corresponding tests (#512)
* feat: add hip hop artist classes and corresponding tests * feat: refactor HipHopArtist class and remove unused artist classes and tests * chore: corrects namespace for test Signed-off-by: Anthony D. Mays <[email protected]> * chore: corrects namespace for test Signed-off-by: Anthony D. Mays <[email protected]> --------- Signed-off-by: Anthony D. Mays <[email protected]> Co-authored-by: Anthony D. Mays <[email protected]>
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‎lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/hiphopArtist/HipHopArtist.java

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package com.codedifferently.lesson16.hiphopArtist;
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import java.util.ArrayList;
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public class HipHopArtist {
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private boolean isAlive;
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private String stageName;
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private int debutYear;
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private double netWorth;
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private ArrayList<String> albums;
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private Genre genre;
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public HipHopArtist(
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boolean isAlive,
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String stageName,
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int debutYear,
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double netWorth,
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ArrayList<String> albums,
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Genre genre) {
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this.isAlive = isAlive;
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this.stageName = stageName;
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this.debutYear = debutYear;
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this.netWorth = netWorth;
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this.albums = albums;
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this.genre = genre;
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}
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public String checkLegendStatus() {
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return debutYear <= 2000
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? stageName + " is a legend in the game."
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: stageName + " is a modern star.";
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}
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public void addAlbum(String album) {
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albums.add(album);
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System.out.println(album + " was added to " + stageName + "'s discography.");
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}
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public String listAlbums() throws NoAlbumsException {
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if (albums.isEmpty()) {
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throw new NoAlbumsException(stageName + " has no albums listed.");
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}
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System.out.println("Albums by " + stageName + ":");
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for (String album : albums) {
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System.out.println("- " + album);
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}
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return stageName;
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}
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public String getBio() {
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return stageName
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+ " ("
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+ genre
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+ ") debuted in "
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+ debutYear
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+ ", is "
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+ (isAlive ? "alive" : "deceased")
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+ ", and has a net worth of $"
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+ netWorth
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+ ".";
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}
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public boolean isAlive() {
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return isAlive;
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}
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public void setAlive(boolean alive) {
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isAlive = alive;
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}
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public String getStageName() {
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return stageName;
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}
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public void setStageName(String stageName) {
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this.stageName = stageName;
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}
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public int getDebutYear() {
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return debutYear;
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}
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public void setDebutYear(int debutYear) {
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this.debutYear = debutYear;
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}
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public double getNetWorth() {
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return netWorth;
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}
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public void setNetWorth(double netWorth) {
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this.netWorth = netWorth;
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}
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public ArrayList<String> getAlbums() {
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return albums;
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}
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public void setAlbums(ArrayList<String> albums) {
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this.albums = albums;
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}
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public Genre getGenre() {
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return genre;
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}
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public void setGenre(Genre genre) {
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this.genre = genre;
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}
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public enum Genre {
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RAP,
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GANGSTA_RAP,
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OLD_SCHOOL,
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TRAP,
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DRILL,
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}
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@Override
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public String toString() {
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return "HipHopArtist{"
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+ "isAlive="
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+ isAlive
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+ ", stageName='"
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+ stageName
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+ '\''
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+ ", debutYear="
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+ debutYear
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+ ", netWorth="
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+ netWorth
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+ ", albums="
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+ albums
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+ ", genre="
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+ genre
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+ '}';
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}
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}
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class NoAlbumsException extends Exception {
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public NoAlbumsException(String message) {
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super(message);
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}
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}

‎lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/hiphopArtist/HipHopArtistTest.java

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package com.codedifferently.lesson16.hiphopArtist;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import com.codedifferently.lesson16.hiphopArtist.HipHopArtist.Genre;
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import java.util.ArrayList;
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import org.junit.jupiter.api.Test;
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public class HipHopArtistTest {
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@Test
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public void testCheckLegendStatus() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Check legend status
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String expected = "Kendrick Lamar is a modern star.";
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String actual = artist.checkLegendStatus();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testAddAlbum() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Add an album
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artist.addAlbum("good kid, m.A.A.d city");
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// Check if the album was added
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assertTrue(artist.getAlbums().contains("good kid, m.A.A.d city"));
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}
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@Test
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public void testIsAlive() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Check if the artist is alive
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boolean expected = true;
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boolean actual = artist.isAlive();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testGetStageName() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Get stage name
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String expected = "Kendrick Lamar";
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String actual = artist.getStageName();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testSetAlive() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Set alive status to false
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artist.setAlive(false);
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// Check if the artist is alive
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boolean expected = false;
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boolean actual = artist.isAlive();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testSetStageName() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Set stage name
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artist.setStageName("K.Dot");
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// Get stage name
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String expected = "K.Dot";
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String actual = artist.getStageName();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testGetDebutYear() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Get debut year
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int expected = 2012;
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int actual = artist.getDebutYear();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testSetDebutYear() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Set debut year
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artist.setDebutYear(2011);
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// Get debut year
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int expected = 2011;
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int actual = artist.getDebutYear();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testGetNetWorth() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Get net worth
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double expected = 75_000_000;
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double actual = artist.getNetWorth();
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// Assert the result
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assertEquals(expected, actual);
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}
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@Test
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public void testSetNetWorth() {
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// Create a HipHopArtist object
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HipHopArtist artist =
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new HipHopArtist(true, "Kendrick Lamar", 2012, 75_000_000, new ArrayList<>(), Genre.RAP);
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// Set net worth
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artist.setNetWorth(80_000_000);
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// Get net worth
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double expected = 80_000_000;
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double actual = artist.getNetWorth();
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// Assert the result
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assertEquals(expected, actual);
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}
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}

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