This tutorial will explain the char Java data type. In Java, the char is a 16-bit Unicode character. That sounds scary! What is a 16-bit Unicode character? Every individual letter, number, and symbol on your screen such as A,B,C,X,Y,Z,0,1,2,3,#,$,% is represented by a Unicode character. To understand what a Unicode character is, you will need to understand some key concepts of disk memory. This tutorial will provide a crash course about things like bits, unsigned bytes, binary, decimal, ASCII, and how they relate to Unicode characters.
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