Practice Expression Statements (8.1.2.2) - Statements and Scope

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6 sample questions

Question 1.
What is an expression statement?
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Think about how assignments work in Java.
Question 2.
Give an example of an expression statement.
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Look at how we update variable values.
3Question 3.
What is the purpose of an expression statement in Java?
- To declare a variable
- To evaluate an expression
- To end a method
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Think about what happens at runtime.
4Question 4.
True or False: Expression statements cannot change the state of a program.
- True
- False
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Recall the key functionalities of expression statements.
Question 5.
Create a Java program that uses at least three expression statements to update variables and print the results. Explain each step.
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Think of how each operation alters the state.
Question 6.
How would the absence of semicolons affect the validity of the following code snippet? int a = 10 print(a);
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Consider Java syntax rules.

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