java-exercism-exercises/karls-languages/HINTS.md

Hints

1. Define a function to check if the language list is empty

• Try using the isEmpty() method.

2. Define a function to add a language to the list

• Try using the add(E element) method.
• Reminder: methods that return void do not need any return statements.

3. Define a function to remove a language from the list

• Try using the remove(Object o) method.
• Reminder: methods that return void do not need any return statements.

4. Define a function to return the first item in the list

• Try using the get(int index) method.

5. Define a function to return how many languages are in the list

• Try using the size() method.

6. Define a function to determine if a language is in the list

• Try using the contains(Object o) method.

7. Define a function to determine if the list is exciting

• Try using a for-each loop through all of the elements, checking each one.
• Alternatively, try using the containsLanguage method from the previous step.