Practice Scope of Variables - 8.3 | 8. Statements and Scope | ICSE Class 11 Computer Applications
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8.3 - Scope of Variables

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What type of scope do variables declared inside a method have?

💡 Hint: Think about where the variable is accessible.

Question 2

Easy

Can you access an instance variable from a static method?

💡 Hint: Consider how instance variables are tied to objects.

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 primary difference between local and instance variables?

  • Local variables are shared among instances.
  • Instance variables are tied to object instances while local variables are not.
  • Local variables live as long as the program runs.

💡 Hint: Consider where each type of variable is stored.

Question 2

True or False: Class variables can be accessed without instantiating the class.

  • True
  • False

💡 Hint: Think about how static members of a class are referred.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a Java program that demonstrates all three scopes and illustrates their lifetime management. Describe what happens to the variables in each scope after the program execution.

💡 Hint: Think about the nature of variable persistence.

Question 2

How would changing a variable from instance to class scope affect its accessibility? Provide an example along with the explanation.

💡 Hint: Consider the effects on all object instances.

Challenge and get performance evaluation