adplus-dvertising

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.

frame-decoration

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 12 of 26

Explore more Topics under Java Programming

Q111.
Which of these methods is used to know whether a given Character object is part of Javaโ€™s Identifiers?
Discuss
Answer: (c).isJavaIdentifierPart()
Q112.
Which of these coding techniques is used by method isDefined()?
Discuss
Answer: (d).UNICODE
Q113.
What is the output of this program?
    class Output 
    {
        public static void main(String args[]) 
        {
            int a = Character.MAX_VALUE;
            System.out.print((char)a);
        }
    }

a.

<

b.

>

c.

?

d.

$

Discuss
Answer: (c).?
Q114.
What is the output of this program?
    class Output
    {
        public static void main(String args[])
        {
            int a = Character.MIN_VALUE;
            System.out.print((char)a);
        }
    }
Discuss
Answer: (d).Space
Q115.
Which of these methods of Boolean wrapper returns boolean equivalent of an object.
Discuss
Answer: (b).booleanValue()
Q116.
Which of the following constant are defined in Boolean wrapper?
Discuss
Answer: (d).All of the mentioned
Q117.
Which of these methods return string equivalent of Boolean object?
Discuss
Answer: (b).toString()
Q118.
Which of these methods is used to know whether a string contains โ€œtrueโ€?
Discuss
Answer: (a).valueOf()
Q119.
Which of these class have only one field?
Discuss
Answer: (d).void
Q120.
What is the output of this program?
    class Output
    {
        public static void main(String args[])
        {
            String str = "true";
            boolean x = Boolean.valueOf(str);
            System.out.print(x);
        }
    }
Discuss
Answer: (a).True

Suggested Topics

Are you eager to expand your knowledge beyond Java Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!