Multiple choice

What is the numerical range of char?

  1. 0 to 32767

  2. 0 to 65535

  3. -256 to 255

  4. -32768 to 32767
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B Correct answer
Explanation

The char type is integral but unsigned. The range of a variable of type char is from 0 to 216-1 or 0 to 65535. Java characters are Unicode, which is a 16-bit encoding capable of representing a wide range of international characters. If the most significant nine bits of a char are 0, then the encoding is the same as seven-bit ASCII.

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