4.5 - Variables and Constants
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Practice Questions
Test your understanding with targeted questions
Write a variable declaration for a person's height.
💡 Hint: Use the `float` data type for decimal values.
Write a constant declaration for the value of Pi.
💡 Hint: Remember to use `final` for constants.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What keyword is used to declare a constant in Java?
💡 Hint: Think about the keyword that prevents a variable from changing.
True or False: Variables in Java can store values that can change.
💡 Hint: Remember the purpose of a variable.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a Java program that manages student scores, allowing for updating current scores but keeping a constant maximum score.
💡 Hint: Use the `final` keyword for `MAX_SCORE` and an integer variable for `currentScore`.
Discuss the benefits of using variables versus constants in a real-world programming application, highlighting both sides.
💡 Hint: Consider situations in your everyday coding where you modify values and where fixed values make sense.
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