Practice Class Scope - 8.3.2.3 | 8. Statements and Scope | ICSE Class 11 Computer Applications
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8.3.2.3 - Class Scope

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a local variable?

💡 Hint: Think about where the variable is defined.

Question 2

Easy

How do instance variables differ from local variables?

💡 Hint: Where is each variable accessible?

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 main purpose of a local variable?

  • To store data across instances
  • To perform tasks within a single method
  • To interact with class variables

💡 Hint: Remember the definition of local variables.

Question 2

True or False: Instance variables can be accessed without creating an instance of the class.

  • True
  • False

💡 Hint: Think about how variables are tied to objects.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a class representing a bank account with methods to deposit and withdraw. Use an instance variable to keep track of the balance, and a class variable to count the number of accounts created.

💡 Hint: Think about how you track each account's balance uniquely while simultaneously counting total accounts.

Question 2

Given the frame code below, explain the scope of each variable. class Circle { double radius; static int totalCircles; void setRadius(double r) { double circumference = 2 * Math.PI * r; } } What will happen if you try to access circumference outside of setRadius?

💡 Hint: Identify which variable can be accessed globally and which ones are restricted.

Challenge and get performance evaluation