Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a built-in package?
π‘ Hint: Think about classes you commonly use in Java.
Question 2
Easy
What would you use the import statement for?
π‘ Hint: Consider how you access other classes.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main purpose of built-in packages in Java?
π‘ Hint: Think about what comes with Java installation.
Question 2
True or False: User-defined packages can help prevent naming conflicts.
π‘ Hint: Consider how names are constructed.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
Design and implement a user-defined package named com.example.library. Inside this package, create two classes: Book with title and author attributes, and Library with methods to add and remove books.
π‘ Hint: Remember to consider how each class should interact with the others.
Question 2
Discuss the implications of having multiple classes with the same name in a project that does not use packages. How can using packages alleviate this issue?
π‘ Hint: Think about how names are scoped in programming.
Challenge and get performance evaluation