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Thread: Question about data types

  1. #1
    Member ashl7's Avatar
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    Mar 2013
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    Default Question about data types

    Hi everyone
    I was studying about data types in Java, I have some basic questions

    what is the meaning of default value for a data type?! what's the use of it?
    for example:
    default value of int is 0
    default value of long is 0L
    default value of float is 0.0f
    default value of reference data type is null

    what's the difference between bit and byte?! is bit a data type as well?

    what's the difference between float and double?

    the minimum value of character is \uoooo, and the max is \ufffff....what are these symbols?! aren't characters only a,b,c....?

    thanks much already

  2. #2
    Join Date
    Feb 2013
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    Default Re: Question about data types

    you search and read this type of links:

    Java - Basic Data Types
    Java Tutorial - Lesson 2: Variables and Data Types
    Android developer
    Trinay Technology Solutions

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