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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the 'throw' keyword in Java?
💡 Hint: Think about how you might signal that something has gone wrong in your program.
Question 2
Easy
Write a line of code using the 'throw' keyword to indicate a division by zero error.
💡 Hint: Remember the exception type associated with arithmetic operations.
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 does the 'throw' keyword do in Java?
- Creates a new method
- Manually throws an exception
- Handles an exception
💡 Hint: It’s about signaling errors.
Question 2
True or False: The 'throw' keyword can be used in a method declaration.
- True
- False
💡 Hint: Think about where you place the keywords.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple application that prompts a user for their age and throws a custom exception if the age is less than a defined threshold (e.g., 18).
💡 Hint: Think about how you’d communicate age restrictions.
Question 2
Write a method that calculates the square root of a number and throws an exception if the input number is negative.
💡 Hint: What happens with negative numbers in square roots?
Challenge and get performance evaluation