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Java™
by example!
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Primitive Data Types (and wrappers)
A data type describes what value a variable can contain. The primitive data types in Java are byte, short, int, long, float, double, char and boolean. Each one of them has a certain size and format. For example an int can contain a 32bit two's complement value. Contrast to other non-platform independent languages, the size and format must adhere to the specifications.
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Reference Data Types
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Questions & Answers
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General:
How do I convert an int to a char?
How do I convert a char to an int?
How do I convert an integer to a hexadecimal (hex), octal or binary representation?
How do I convert a hexadecimal (hex), octal, or binary value to an integer?
How do I convert a boolean to an int?
How do I convert an int to a boolean?
How do I convert a hexadecimal value to a byte?
How do I convert a String to a double?
How do I determine whether a Character is a letter or a digit?
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