Practice Arithmetic Expressions (2.1.a) - Chapter 7: Variables and Expressions

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6 sample questions

Question 1.
What is the output of the expression: int result = 5 + 3;?
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Think about the sum of 5 and 3.
Question 2.
If a = 10 and b = 5, what will int product = a * b; return?
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Multiply 10 by 5.
3Question 3.
Which of the following is NOT an arithmetic operator in Java?
- %
- *
- &&
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Think about what types of operations each operator performs.
4Question 4.
True or False: In Java, the expression int area = width * height; calculates the area of a shape.
- True
- False
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What does area represent in two dimensions?
Question 5.
Write a Java program that calculates the total cost of items in a shopping cart, given the prices of three items and their quantities.
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Use arithmetic expressions to calculate the total before printing.
Question 6.
Create an expression that combines multiple arithmetic operations to compute the result: total = ((price1 * quantity1) + (price2 * quantity2) - discount) / total_items; Explain each part of your expression.
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Break the expression down to see how each operation affects the total.

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