"working on object test file "

Author: htanweer244

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/HummadTanweer/HobbyLimitExceededException.java

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

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/HummadTanweer/Person.java

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+package com.codedifferently.lesson16.HummadTanweer;
+import java.util.ArrayList;
+
+public class Person {
+  private final String name;
+  private final int age;
+  private final Gender gender;
+  private final ArrayList<String> hobbies;
+  private final String email;
+  private final int MAX_HOBBIES = 2;
+
+  enum Gender {
+    MALE,
+    FEMALE,
+    OTHER
+  }
+
+  public Person(String name, int age, Gender gender, String email) {
+    this.name = name;
+    this.age = age;
+    this.gender = gender;
+    this.email = email;
+    this.hobbies = new ArrayList<>();
+  }
+
+public void addHobby(String hobby) throws HobbyLimitExceededException {
+    if (hobbies.size() >= MAX_HOBBIES) {
+        throw new HobbyLimitExceededException("Cannot add more than " + MAX_HOBBIES + " hobbies.");
+    }
+    hobbies.add(hobby);
+}
+
+  public ArrayList<String> getHobbies() {
+    return hobbies;
+  }
+
+  public void displayHobbies() {
+    if (hobbies.isEmpty()) {
+      System.out.println(name + " has no hobbies.");
+    } else {
+      System.out.println(name + "'s hobbies:");
+      for (String hobby : hobbies) {
+        System.out.println("- " + hobby);
+      }
+    }
+  }
+
+  public boolean isAdult() {
+    return age >= 18;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public Gender getGender() {
+    return gender;
+  }
+
+  public String getEmail() {
+    return email;
+  }
+
+  public static void main(String[] args) {
+    Person person = new Person("xyz", 29, Gender.MALE, "[email protected]");
+
+    try {
+      person.addHobby("Football");
+      person.addHobby("Pickleball");
+      person.addHobby("Basketball");
+    } catch (HobbyLimitExceededException e) {
+      System.out.println(e.getMessage());
+    }
+
+    person.displayHobbies();
+
+    if (person.isAdult()) {
+      System.out.println(person.getName() + " Adult");
+    } else {
+      System.out.println(person.getName() + " Not an adult");
+    }
+  }
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/HummadTanweer/PersonTest.java

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+package com.codedifferently.lesson16.HummadTanweer;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+import org.junit.jupiter.api.Test;
+
+import com.codedifferently.lesson16.HummadTanweer.Person.Gender;
+
+public class PersonTest {
+  @Test
+  void testIsAdult() {
+    Person adult = new Person("xyz", 29, Gender.MALE, "[email protected]");
+    assertTrue(adult.isAdult(), "True for 29");
+
+    Person minor = new Person("abc", 15, Gender.FEMALE, "[email protected]");
+    assertFalse(minor.isAdult(), "False for 15");
+  }
+
+    @Test
+    void testAddHobby() throws HobbyLimitExceededException {
+        Person person = new Person("xyz", 29, Gender.MALE, "[email protected]");
+        
+        person.addHobby("Football");
+        person.addHobby("Pickleball");
+        
+        assertEquals(2, person.getHobbies().size());
+        assertTrue(person.getHobbies().contains("Football"));
+        assertTrue(person.getHobbies().contains("Pickleball"));
+    }
+
+    @Test
+    void testAddHobbyExceedsLimit() throws HobbyLimitExceededException {
+        Person person = new Person("xyz", 29, Gender.MALE, "[email protected]");
+    
+        try {
+         person.addHobby("Football");
+         person.addHobby("Pickleball");
+         person.addHobby("Basketball");
+         fail("Expected HobbyLimitExceededException to be thrown");
+        } catch (HobbyLimitExceededException e) {
+            assertEquals("Cannot add more than 2 hobbies.", e.getMessage());
+        }
+    }
+}