Itemp Java Quiz 2

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| By Ekkoo
E
Ekkoo
Community Contributor
Quizzes Created: 4 | Total Attempts: 2,560
| Attempts: 150
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  • 1/6 Questions

    A Java source code can be created in  ______ .

    • MS Paint
    • NetBeans IDE
    • Photoshop
    • MS Excel
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About This Quiz

ITEMP Java Quiz 2 assesses foundational Java programming skills. It covers topics such as IDE usage, Java Development Kit, compilation and execution processes, syntax of main method, class declaration, and commenting in Java. Ideal for learners aiming to enhance their Java proficiency.

Itemp Java Quiz 2 - Quiz

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  • 2. 

    Which of the following declarations of the main method in a Java application is correct?

    • Public void main(String args)

    • Public static void main(String[ ] args)

    • Public static void main(string[ ] args)

    • Public void main()

    Correct Answer
    A. Public static void main(String[ ] args)
    Explanation
    The correct answer is "public static void main(String[ ] args)". In Java, the main method is the entry point for a Java application. It must be declared as public, static, and void. The parameter "String[ ] args" allows command-line arguments to be passed to the main method.

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  • 3. 

    You are responsible for writing a new Java class, Employee, which will be used by several other classes in a large project. Select the correct way to declare the class, from the list below:

    • New class Employee

    • Protected class Employee

    • Private class Employee

    • Public class Employee

    Correct Answer
    A. Public class Employee
    Explanation
    The correct way to declare the class is "public class Employee". This is because the class needs to be accessible to other classes in the project, and using the "public" access modifier ensures that it can be accessed from anywhere within the project.

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  • 4. 

    Which is the software you need to develop Java programs ?

    • JDK (Java Development Kit)

    • JRE (Java Runtime Environment)

    • Java API

    • JVM (Java Virtual Machine)

    Correct Answer
    A. JDK (Java Development Kit)
    Explanation
    JDK (Java Development Kit) is the correct answer because it is the software that provides the necessary tools and components to develop Java programs. It includes the Java compiler, debugger, and other development tools that are essential for writing, compiling, and running Java code. JRE (Java Runtime Environment) is used to run Java applications, but it does not include the tools needed for development. Java API is a library of prewritten classes and methods that developers can use in their programs. JVM (Java Virtual Machine) is the runtime environment in which Java programs are executed.

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  • 5. 

    The _______ is used for compilation and the _______ is used for execution of the Java application.

    • Java compiler, Java interpreter

    • Java interpreter, Java executer

    • Java compiler, Debugger

    • Java compiler, Javadoc

    Correct Answer
    A. Java compiler, Java interpreter
    Explanation
    The Java compiler is used for compilation, which means it translates the Java source code into bytecode. The bytecode is then executed by the Java interpreter, which is responsible for translating the bytecode into machine code that can be understood and executed by the computer. Therefore, the Java compiler and Java interpreter are used for different stages of the Java application's lifecycle - compilation and execution respectively.

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  • 6. 

    Which of the following is not a valid comment?

    • /** comment */

    • /* comment */

    • /* comment

    • // comment

    Correct Answer
    A. /* comment
    Explanation
    The answer is /* comment because it is missing the closing */ symbol, making it an invalid comment. The other options /** comment */, /* comment */, and // comment are all valid comments in different programming languages.

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Quiz Review Timeline (Updated): Aug 20, 2024 +

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  • Current Version
  • Aug 20, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 19, 2011
    Quiz Created by
    Ekkoo
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