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on 21-Apr-2015 (Tue)

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Annotation 150889474

Byte type
#java #primitive #programming #type #types

  • byte: The byte data type is an 8-bit signed two's complement integer. It has a minimum value of -128 and a maximum value of 127 (inclusive). The byte data type can be useful for saving memory in large arrays, where the memory savings actually matters. They can also be used in place of int where their limits help to clarify your code; the fact that a variable's range is limited can serve as a form of documentation.
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Annotation 150889479

#odersky-programming-in-scala-2ed #scala
If the number begins with a 0x or 0X, it is hexadecimal (base 16)
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Annotation 150889483

#odersky-programming-in-scala-2ed #scala
If the number begins with a zero, it is octal (base 8)
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Annotation 150889487

#odersky-programming-in-scala-2ed #scala
If the number begins with a non-zero digit, and is otherwise undecorated, it is decimal (base 10).
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Annotation 150889491

#odersky-programming-in-scala-2ed #scala
If an integer literal ends in an L or l, it is a Long, otherwise it is an Int.
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Annotation 150889495

#odersky-programming-in-scala-2ed #scala
The convention is that you include parentheses if the method has side effects, such as println(), but you can leave them off if the method has no side effects, such as toLowerCase invoked on a String
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