Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What keyword is used to create a user-defined package in Java?
💡 Hint: Think about the word 'package' before the package name.
Question 2
Easy
Is it necessary for package names to be unique?
💡 Hint: Consider two classes with the same name in different packages.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of a user-defined package in Java?
- To enhance security
- To organize code
- To improve performance
💡 Hint: Remember the primary reason programmers create packages.
Question 2
True or False: Packages can help avoid naming conflicts in Java.
- True
- False
💡 Hint: Think about class names in different packages.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create two classes in a user-defined package and demonstrate how to access them from another class. Show both importing a single class and using a wildcard import.
💡 Hint: Focus on the structure of your package and the correct syntax for imports.
Question 2
Discuss how different naming conventions can affect a collaborative Java project. Provide examples of both good and bad practices.
💡 Hint: Consider how your package names might overlap with others in large projects.
Challenge and get performance evaluation