How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8characters?

Unicode requires 16 bits and ASCII require 7 bits. Although the ASCII character set usesonly 7 bits, it isusually represented as 8 bits. UTF-8 represents characters using 8, 16, and 18 bit patterns.UTF-16 uses 16-bit and larger bit patterns.
Category:Java Interview Questions