Saturday, 15 November 2014

Hey friends, welcome to simplyjaavapro. Today, I shall discuss about data types in java.

Well, you may have heard that Java is a highly typed language.  The statement basically means that there exists a set of semantics for data types in Java programming language. Java provides data types under broad categories:


1. Pre -defined data types: These come in naturally with Java. They include:

i.  For integral Numbers         : int, short, long
ii. For floating point Numbers : float
iii.For characters                 : char


2. User - defined data type: These are defined by the user.


Note: A user defined data-type is basically an object reference to some object. One such data type comes pre-defined, called String.


Note: String is not rigidly a pre-defined data-type, although it may seem to be. It is actually an Object reference similar to any other user defined data type.

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