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Character Wrapper Advance - Questions and Answers

 

Practice these Character Wrapper Advance under Java Programming walk-in interview Questions/ examination questions with best tricks and short cuts with solution. Student (candidate) who want to crack the walk in interview, competitive exams and want to find short cuts and tricks to solve questions on Character Wrapper Advance for following purpose.


– Anyone who is wishing to increase their perfect knowledge of Character Wrapper Advance of Java Programming.
– Anyone who is preparing for aptitude test and increase his in depth aptitude knowledge Java Programming specifically Character Wrapper Advance.
– Anyone who is preparing for interviews (competitive examinations, govt examinations and bank examinations, off-campus or on campus interviews, walk-in interview and company interviews) having questions on Character Wrapper Advance under Java Programming.

– Anyone who is preparing for aptitude test or competitive exam or entrance exam.
– Anyone who is preparing for entrance examinations and other competitive examinations.
– All Experienced, Freshers and Students.

Here is list of Questions and Answers covering all key area of  Character Wrapper Advance topic of Java Programming:

 

1. Which of these coding techniques is used by method isDefined()?

Answer: Option D

Explanation:
isDefined() returns true if ch is defined by Unicode. Otherwise, it returns false.

2. Which of these methods of Character wrapper can be used to obtain the char value contained in Character object.

Answer: Option C

Explanation:
To obtain the char value contained in a Character object, we use charValue() method.

3. Which of these methods is used to know whether a given Character object is part of Java’s indentifiers?

Answer: Option C

Explanation:

4. Which of these is a super class of Character wrapper?

Answer: Option D

Explanation:
Number is an abstract class containing subclasses Double, Float, Byte, Short, Character, Integer and Long.

5. Which of the following constant are defined in Character wrapper?

Answer: Option D

Explanation:
Character wrapper defines 5 constants – MAX_RADIX, MIN_RADIX, MAX_VALUE, MIN_VALUE & TYPE.