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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does an expression statement do in Java?
💡 Hint: Think about what happens when you assign a new value to a variable.
Question 2
Easy
Identify the expression statement: int x = 5; or x = x + 1;?
💡 Hint: Focus on which statement is modifying a value.
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 an expression statement?
- A statement that declares a variable.
- A statement that evaluates expressions and changes state.
- A comment in code.
💡 Hint: It involves both evaluation and action.
Question 2
True or False: Expression statements cannot invoke methods.
- True
- False
💡 Hint: Think about examples involving method calls.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a mini program that initializes a variable with a value, increments it in a loop, and outputs the final value.
💡 Hint: Focus on how to utilize a loop with an expression statement that updates the counter.
Question 2
Create a method that accepts a list of integers, increments each one by 1 using expression statements, and returns the updated list.
💡 Hint: Think about how to iterate over a collection and modify each element.
Challenge and get performance evaluation