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Java Class and Object Properties Quiz

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Questions and Answers

Which of the following is the result of 5 + 3 in Java?

8 (Correct) (correct)

Which of the following is a primitive data type in Java?

String

Double

int (Correct) (correct)

Integer

What does the keyword 'static' mean when applied to a method in Java?

The method can be called on an instance of the class.

The method is part of the class and can be called without creating an instance of the class. (Correct) (correct)

The method is abstract.

The method is private.

Which loop in Java is used when you want to execute a block of code at least once, regardless of the condition?

<p>do-while loop (Correct)</p> Signup and view all the answers

What is the purpose of the 'break' statement in a loop?

<p>To exit the loop prematurely (Correct)</p> Signup and view all the answers

Study Notes

Java Basics

The result of 5 + 3 in Java is 8, as it performs simple arithmetic addition.

Primitive Data Types

Primitive data types in Java include:
- int: for integer values.
- float: for floating-point numbers.
- char: for single characters.
- boolean: for true or false values.

Static Keyword

The keyword static when applied to a method means:
- The method belongs to the class itself rather than instances of the class.
- It can be called without creating an instance of the class.

Loops in Java

The do-while loop is used when a block of code needs to execute at least once, regardless of the condition.
- The code inside the loop runs before the condition is checked.

Break Statement

The break statement in a loop is used to:
- Terminate the loop immediately, exiting to the next statement following the loop.
- Control flow, allowing for early exits based on conditions defined within the loop.

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Description

This quiz tests your knowledge of class and object properties in Java. It includes multiple choice questions on topics such as arithmetic operations, primitive data types, and the "static" keyword in Java methods. Test your understanding and see how well you know these concepts!