7 - Variables and Expressions
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Practice Questions
Test your understanding with targeted questions
What does a variable do?
💡 Hint: Think about what you need to hold information while programming.
What is the syntax to declare a variable?
💡 Hint: Recall the format we discussed in class.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is a valid variable name?
💡 Hint: Remember the rules for naming variables!
True or False: A variable in Java can hold multiple data types.
💡 Hint: Think about what we discussed regarding data types.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a Java program that initializes three variables of different types and performs an operation combining them. Explain your choice of data types.
💡 Hint: Think about how you can combine different data types logically.
Create a complex arithmetic expression involving at least two variables and two types of operators, and evaluate a Boolean expression with it.
💡 Hint: Combine different operations while keeping track of parentheses for evaluation.
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