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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.

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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

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Q221.
Which of the following is method of wrapper Float for converting the value of an object into byte?

a.

Bytevalue()

b.

byte bytevalue()

c.

bytevalue()

d.

Byte Bytevalue()

Discuss
Answer: (b).byte bytevalue()
Q222.
A command-line argument in Java is a value passedat the time of ___ a program.

a.

Compiling

b.

Running

c.

Depends on Compiler

d.

None of the above

Discuss
Answer: (b).Running
Q223.
Command-line arguments help in a way of ____ data to a program.

a.

Inputting

b.

Outputting

c.

Depends on Compiler

d.

None of the above

Discuss
Answer: (a).Inputting
Q224.
The command-line arguments are passes at ____.

a.

Runtime

b.

the time of executing a Java program.

c.

the time of compiling a Java program.

d.

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?

a.

1

b.

8

c.

16

d.

None of the above

Discuss
Answer: (a).1
Q226.
If you need to accept data at runtime, you use ___ in Java.

a.

Command-line arguments

b.

Java IO statements

c.

Depends on Compiler

d.

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?

a.

show() method

b.

main() method

c.

display() method

d.

print() method

Discuss
Answer: (b).main() method
Q228.
The command-line arguments in Java are used along with a ____ command.

a.

javac

b.

java or javaw

c.

javap

d.

All of the above

Discuss
Answer: (b).java or javaw
Q229.
The type of Arguments the MAIN method accepts is ___.

a.

Integer[]

b.

Float[]

c.

Long[]

d.

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.

a.

Integer array

b.

Float array

c.

Character array

d.

String array

Discuss
Answer: (d).String array
Page 23 of 26

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