feat: adds Chanels objects and class lesson 16

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/comedian/Comedians.java

@@ -0,0 +1,100 @@
+package com.codedifferently.lesson16.comedian;
+
+import java.util.List;
+import java.util.Map;
+
+public class Comedians {
+  private final String fullName;
+  private final String nationality;
+  private final String activeYears;
+  private final List<String> famousWorks;
+  private final double netWorth;
+  private final Map<String, Integer> socialMediaFollowers; // e.g., {"Instagram": 1000000}
+  private final boolean isStillActive;
+  private final ComedyGenre comedyGenre;
+
+  public enum ComedyGenre {
+    OBSERVATIONAL,
+    SATIRE,
+    IMPROV,
+    SLAPSTICK,
+    DARK,
+    PARODY
+  }
+
+  public Comedians(
+      String fullName,
+      String nationality,
+      String activeYears,
+      List<String> famousWorks,
+      double netWorth,
+      Map<String, Integer> socialMediaFollowers,
+      boolean isStillActive,
+      ComedyGenre comedyGenre) {
+    this.fullName = fullName;
+    this.nationality = nationality;
+    this.activeYears = activeYears;
+    this.famousWorks = famousWorks;
+    this.netWorth = netWorth;
+    this.socialMediaFollowers = socialMediaFollowers;
+    this.isStillActive = isStillActive;
+    this.comedyGenre = comedyGenre;
+  }
+
+  public String getFullName() {
+    return fullName;
+  }
+
+  public String getNationality() {
+    return nationality;
+  }
+
+  public String getActiveYears() {
+    return activeYears;
+  }
+
+  public ComedyGenre getGenre() {
+    return comedyGenre;
+  }
+
+  public List<String> getFamousWorks() {
+    return famousWorks;
+  }
+
+  public double getNetWorth() {
+    return netWorth;
+  }
+
+  public Map<String, Integer> getSocialMediaFollowers() {
+    return socialMediaFollowers;
+  }
+
+  public boolean isStillActive() {
+    return isStillActive;
+  }
+
+  public void validateNetWorth() throws InvalidNetWorthException {
+    if (netWorth < 0) {
+      throw new InvalidNetWorthException("Net worth cannot be negative!");
+    }
+  }
+
+  public String getCareerStatus() {
+    return isStillActive ? "Still active" : "Retired";
+  }
+
+  public void printFamousWorks() {
+    System.out.println("Famous Works:");
+    for (String work : famousWorks) {
+      System.out.println("- " + work);
+    }
+  }
+
+  public int totalFollowers() {
+    int total = 0;
+    for (int count : socialMediaFollowers.values()) {
+      total += count;
+    }
+    return total;
+  }
+}

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/comedian/InvalidNetWorthException.java

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+package com.codedifferently.lesson16.comedian;
+
+public class InvalidNetWorthException extends Exception {
+  public InvalidNetWorthException(String message) {
+    super(message);
+  }
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/comedianstest/ComediansTest.java

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+package com.codedifferently.lesson16.comedianstest;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import com.codedifferently.lesson16.comedian.Comedians;
+import com.codedifferently.lesson16.comedian.Comedians.ComedyGenre;
+import com.codedifferently.lesson16.comedian.InvalidNetWorthException;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.List;
+import java.util.Map;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class ComediansTest {
+
+  private Comedians testComedian;
+
+  @BeforeEach
+  public void setUp() {
+    testComedian =
+        new Comedians(
+            "Dave Chappelle",
+            "USA",
+            "1991–present",
+            List.of("Killing Them Softly", "Sticks & Stones"),
+            50000000,
+            Map.of("Instagram", 1000000, "Twitter", 500000),
+            true,
+            ComedyGenre.SATIRE);
+  }
+
+  @Test
+  public void testFullName() {
+    assertEquals("Dave Chappelle", testComedian.getFullName());
+  }
+
+  @Test
+  public void testCareerStatus() {
+    assertEquals("Still active", testComedian.getCareerStatus());
+  }
+
+  @Test
+  public void testTotalFollowers() {
+    assertEquals(1500000, testComedian.totalFollowers());
+  }
+
+  @Test
+  public void testFamousWorksSize() {
+    assertEquals(2, testComedian.getFamousWorks().size());
+  }
+
+  @Test
+  public void testInvalidNetWorthThrowsException() {
+    Comedians brokeComedian =
+        new Comedians(
+            "Test Comic",
+            "USA",
+            "2010–present",
+            List.of("Set A"),
+            -1000.0,
+            Map.of("Instagram", 10000),
+            true,
+            ComedyGenre.DARK);
+
+    assertThrows(InvalidNetWorthException.class, brokeComedian::validateNetWorth);
+  }
+
+  @Test
+  public void testPrintFamousWorksOutput() {
+    // comments for CH to explain method from chatGPT  Set up to capture System.out
+    ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+    PrintStream originalOut = System.out;
+    System.setOut(new PrintStream(outContent));
+
+    // Call the method
+    testComedian.printFamousWorks();
+
+    // Restore original System.out
+    System.setOut(originalOut);
+
+    // Expected output (make sure to include newline characters properly)
+    String expectedOutput = "Famous Works:\n- Killing Them Softly\n- Sticks & Stones\n";
+
+    // Compare output
+    assertEquals(expectedOutput, outContent.toString());
+  }
+
+  @Test
+  public void testGetNationality() {
+    assertEquals("USA", testComedian.getNationality());
+  }
+
+  @Test
+  public void testGetActiveYears() {
+    assertEquals("1991–present", testComedian.getActiveYears());
+  }
+
+  @Test
+  public void testGetGenre() {
+    assertEquals(ComedyGenre.SATIRE, testComedian.getGenre());
+  }
+}