Practice Introduction To Statements (8.1) - Statements and Scope

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a statement in Java?
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Think about what an instruction in your code does.
Question 2.
Give an example of a declaration statement.
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What statement do you use to declare a variable?
3Question 3.
What is the purpose of a declaration statement?
- To perform a calculation
- To declare a variable and assign a value
- To exit a method
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What keyword do you use to define a variable?
4Question 4.
True or False: Expression statements can only initiate variables.
- True
- False
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Think about what else expressions can do.
Question 5.
Write a method that initializes variables using declaration statements and then checks if a user can vote. Use control flow and return statements.
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Think about how to declare age and compare it to the minimum voting age.
Question 6.
Create a set of statements that continually increment a variable until it reaches a certain value and use a control flow statement to exit the loop.
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Use a loop statement to repeat until a condition is met.

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