12.10 - throw Keyword
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Practice Questions
Test your understanding with targeted questions
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.
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.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the 'throw' keyword do in Java?
💡 Hint: It’s about signaling errors.
True or False: The 'throw' keyword can be used in a method declaration.
💡 Hint: Think about where you place the keywords.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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?
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