Practice Scope And Lifetime Of Variables (5) - Chapter 7: Variables and Expressions

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8 questions

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6 sample questions

Question 1.
What is the scope of a local variable?
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Think about where you can use it.
Question 2.
What keyword is used to declare static variables?
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It's a common keyword in Java.
3Question 3.
What type of variable lasts for the entire program execution?
- Local Variable
- Instance Variable
- Static Variable
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Think about which variable type is broadly shared.
4Question 4.
True or False: Instance variables are cleared when a method finishes.
- True
- False
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Consider the relationship with the object.
Question 5.
Write a program that demonstrates the use of local, instance, and static variables. Ensure the program prints the values correctly and gives explanations on when each variable type is created and destroyed.
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Focus on demonstrating the lifecycle of each variable type.
Question 6.
The concept of variable scope affects many programming issues. Can you create a scenario where using a local variable might lead to a logical error if misused? Describe your thought process.
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Think about variable naming and scoping rules.

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