2.7.1 - A. Arithmetic Operators
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Practice Questions
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What is the result of 5 + 3?
💡 Hint: Think about combining two numbers.
Calculate 15 - 7.
💡 Hint: Find the difference between 15 and 7.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the + operator do in Java?
💡 Hint: Think of how you would phrase a simple arithmetic problem.
The result of 9 % 4 is:
💡 Hint: What remains when you divide 9 by 4?
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Challenge Problems
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Write a Java program that calculates the area of a rectangle given its length and width. Use multiplication for your calculation.
💡 Hint: Remember to declare variables for length and width before calculating.
Given a number, write a Java function that returns the sum of its digits. For example, for 123, your function should return 1 + 2 + 3 = 6.
💡 Hint: You can use both modulus and division to extract digits.
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