Practice Conclusion (14.10) - Packages - ICSE 11 Computer Applications

Practise this section

11 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
5 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a package in Java?
Show hintHide hint
Think about how files are organized on your computer.
Question 2.
Name any built-in package in Java.
Show hintHide hint
Consider utility classes.
3Question 3.
What is the purpose of packages in Java?
- To provide a way to restrict access to classes
- To organize related classes and interfaces
- To allow multiple classes with the same name
Show hintHide hint
Think about how you arrange books on a shelf.
4Question 4.
True or False: A private class can be accessed from outside its package.
- True
- False
Show hintHide hint
Who can access private members?
Question 5.
Create a Java program that incorporates at least one user-defined package and one built-in package. Demonstrate the use of both.
Show hintHide hint
Remember to define your package at the top of your Java file.
Question 6.
Analyze a given piece of code that uses various access modifiers. Explain what can and cannot be accessed based on the modifiers provided.
Show hintHide hint
Different modifiers affect visibility; think carefully about where each member can be accessed.

7 more questions in this section. Enroll free to practise them all.