Welcome to the java lang and java io MCQs Page

Dive deep into the fascinating world of java lang and java io with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of java lang and java io, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of java lang and java io, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

Check out the MCQs below to embark on an enriching journey through java lang and java io. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of java lang and java io. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

java lang and java io MCQs | Page 23 of 26

Explore more Topics under Java Programming

01

Language Fundamentals

02

Data Types,Variables and Arrays

03

Operators and Control Statements

04

Classes and Methods

05

Inheritance

06

String Handling

07

Serialization and Networking

08

java util

09

Exception Handling in Java

10

Multithreading

11

IO and Applets

12

Event Handling

13

Interfaces and Packages

14

Session Management,JSP and Servlet

15

Miscellaneous Topics in Java

Q221.

Which of the following is method of wrapper Float for converting the value of an object into byte?

Bytevalue()

byte bytevalue()

bytevalue()

Byte Bytevalue()

Discuss

Answer: (b).byte bytevalue()

Q222.

A command-line argument in Java is a value passedat the time of ___ a program.

Compiling

Running

Depends on Compiler

None of the above

Discuss

Answer: (b).Running

Q223.

Command-line arguments help in a way of ____ data to a program.

Inputting

Outputting

Depends on Compiler

None of the above

Discuss

Answer: (a).Inputting

Q224.

The command-line arguments are passes at ____.

Runtime

the time of executing a Java program.

the time of compiling a Java program.

None of the above

Discuss

Answer: (b).the time of executing a Java program.

Q225.

When a Java program is executed once, how many times can you pass data using the Command-line arguments?

None of the above

Discuss

Answer: (a).1

Q226.

If you need to accept data at runtime, you use ___ in Java.

Command-line arguments

Java IO statements

Depends on Compiler

None of the above

Discuss

Answer: (b).Java IO statements

Q227.

Which is the method that accepts data passed in the form of command-line arguments in Java?

show() method

main() method

display() method

print() method

Discuss

Answer: (b).main() method

Q228.

The command-line arguments in Java are used along with a ____ command.

javac

java or javaw

javap

All of the above

Discuss

Answer: (b).java or javaw

Q229.

The type of Arguments the MAIN method accepts is ___.

Integer[]

Float[]

Long[]

String[]

Discuss

Answer: (d).String[]

Q230.

The data that is passed at the time of running a Java program as command-line arguments are converted into ___ data type.

Integer array

Float array

Character array

String array

Discuss

Answer: (d).String array

Page 23 of 26

Welcome to the java lang and java io MCQs Page

java lang and java io MCQs | Page 23 of 26

Explore more Topics under Java Programming

Language Fundamentals

Data Types,Variables and Arrays

Operators and Control Statements

Classes and Methods

Inheritance

String Handling

Serialization and Networking

java util

Exception Handling in Java

Multithreading

IO and Applets

Event Handling

Interfaces and Packages

Session Management,JSP and Servlet

Miscellaneous Topics in Java

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