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EIE3320 Java Programming Basics Quiz

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Questions and Answers

Which naming convention is recommended for variables and method names?

Use all lowercase letters (correct)
Capitalize the first letter of each word
Use all uppercase letters
Use camel case for the first word and capitalize subsequent words

What is the correct block style for braces according to the provided text?

End-of-line style
Mixed style
Next-line style (correct)
Braceless style

How should constants be named according to the naming conventions outlined?

Use all lowercase letters
Capitalize the first letter of each word
Use all uppercase letters and underscores (correct)
Use camel case

What is the recommended style for naming class names based on the given text?

Capitalize the first letter of each word (B) Signup and view all the answers

Which data type conversion is required to obtain a numeric input from a string?

String to integer conversion (A) Signup and view all the answers

What is the purpose of the program in the given code snippet?

To read input from the console (B) Signup and view all the answers

In the given code snippet, what does 'System.out.print' do?

It prompts the user to enter a radius (C) Signup and view all the answers

What is the role of 'import java.util.Scanner;' in the given code snippet?

It initializes a Scanner object (D) Signup and view all the answers

What does 'double radius = input.nextDouble();' do in the program?

It reads the radius from the console (C) Signup and view all the answers

What is the purpose of 'double area = radius * radius * 3.14159;' in the given code?

To calculate the area of the circle (D) Signup and view all the answers