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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the syntax to cast a double to an int?
💡 Hint: Remember to use parentheses for casting.
Question 2
Easy
Explain what happens when casting from float to int.
💡 Hint: Think about how rounding works.
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 the term for converting from a larger to a smaller data type in Java?
- Widening
- Narrowing
- Casting
💡 Hint: Think about how it affects the data size.
Question 2
True or False: Explicit casting will always preserve the decimal portion of a float.
- True
- False
💡 Hint: Remember what truncation means.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a variable double num = 150.75;. Write a Java snippet to safely define an int variable with this value while ensuring you document any potential issues.
💡 Hint: What happens to the decimal part?
Question 2
Given a float variable f with a value of 500.5, show what happens when you convert it to byte using explicit casting. Discuss the impact on the value.
💡 Hint: Consider how overflow works in data types.
Challenge and get performance evaluation