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C Language > Learn C Language > Why is the size of char data type equals to 2 bytes...
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Why is the size of char data type equals to 2 bytes in Java compare to C language?

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C is a very old language and that time 1 byte was thought to be sufficient to define any character. That's why the primary C standard defines character with 1 Byte. 1 Byte can store only 256 characters. This includes Engish letters (both captital and small), digits and some special sysmbols. But...
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C is a very old language and that time 1 byte was thought to be sufficient to define any character. That's why the primary C standard defines character with 1 Byte. 1 Byte can store only 256 characters. This includes Engish letters (both captital and small), digits and some special sysmbols. But at the time of invention of Java, extended character set or Unicode was created (approximately in 1987) to be compatible for future extension. It defines 2 Byte character which can represent 65536 characters. This includes Engish, French, Spanish, Hindi, Bengali and many languages around the world. Java uses this standard for definition of character. read less
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C is UTF-8 where as java is UTF-16 where UTF-16 unit required 16 bits i.e 2 byte where as in UTF-8 compiler needs 8 bits.
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