Java Characters - The char Primitive Data Type by Example - Java Tutorial - Appficial

Pubblicato il: 28 settembre 2017
sul canale di: Appficial

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char is a primitive data type for declaring characters. Variables declared as char can hold single characters such as ‘G’, ‘6’, ‘j’ or ‘$’. char literals are enclosed in single quotes, such as ‘j’ or ‘$’.

Common errors with char is forgetting the single quotes, or using double quotes. Java uses the recent Unicode standard to store character data, using 16 bits (216 individual characters, or 65536). ASCII is an early standard that encodes characters as numbers, using 8 bits (28 individual characters, or 256 ) . So the first 256 characters from the Unicode character set are compatible with the ASCII character set. Internally, a char is stored as a number.

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