Units

### Unit: Character And Boolean Data Types - Questions and Answers

Practice these Character And Boolean Data Types 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 And Boolean Data Types for following purpose.

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Here is list of Questions and Answers covering all key area of  Character And Boolean Data Types topic of Java Programming:

1. What is the numerical range of a char in Java?

Explanation:
Char occupies 16-bit in memory, so it supports 2^16 i:e from 0 to 65535.

2. Which of these values can a boolean variable contain?

Explanation:
Boolean variable can contain only one of two possible values, true and false.

3. Which of these occupy first 0 to 127 in Unicode character set used for characters in Java?

Explanation:
First 0 to 127 character set in Unicode are same as those of ISO-LAIN-1 and ASCII.

4.  Which one is a valid declaration of a boolean?