6.5.2 - Explicit Type Conversion (Narrowing Conversion)
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Practice Questions
Test your understanding with targeted questions
What is narrowing conversion?
💡 Hint: Think about why you might need to convert a double to an int.
What happens when you convert 10.5 to an int?
💡 Hint: What do we call this process?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is required for narrowing conversion in Java?
💡 Hint: Think about what Java requires when changing from a larger type to a smaller type.
True or False: Narrowing conversion can never lead to data loss.
💡 Hint: Consider what happens when converting a floating-point number to an integer.
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Challenge Problems
Push your limits with advanced challenges
Create a program that reads a double value from the user, converts it to an int, and prints both values. Discuss what would happen with different inputs.
💡 Hint: What input would clearly show the effects of truncation?
Write a Java function that attempts to convert various numbers (e.g., double, and long) to int and returns whether it was successful or if there was a notice of potential data loss.
💡 Hint: What checks do you think are necessary to prevent errors during conversion?
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