Practice Summary - 5.15 | Chapter 5: Objects | ICSE Class 12 Computer Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an object in Java?

💡 Hint: Think of real-world entities.

Question 2

Easy

What keyword is used to create an object?

💡 Hint: Remember the syntax: ClassName objectName = new ClassName();

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which keyword is used to instantiate an object in Java?

  • initialize
  • create
  • new

💡 Hint: Think of the syntax for creating an object.

Question 2

True or False: A constructor has a return type.

  • True
  • False

💡 Hint: Consider how you define a function compared to a constructor.

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Challenge Problems

Push your limits with challenges.

Question 1

Create a Book class with attributes for title and author, include a constructor and a method to display the book information. Create an object and display its information.

💡 Hint: Remember to use the 'new' keyword to create the object.

Question 2

Explain how you would use garbage collection in a program that dynamically creates many objects over time.

💡 Hint: Think about how it helps in memory management without manual deletion.

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