Java Programming tutorial for beginners смотреть онлайн

Java Programming tutorial for beginners
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In this tutorial we will talk about Variables, Constants and Keywords. Variables are the name of the memory location. Depending on the type of value that will be stored in each memory location, every variable has a Data type which defines the type of data. Java has three different types of variable i.e. Local variable, instance variable and static variable.Local variable are those variable which are declared inside a method. Instance variable are those variable which are defined inside a class and outside of any method. Every object of the class has its own copy of instance variable. Static variables are those variables which are also called as class variable because only single copy of this variable exist and this static variable is shared among the objects of the class.
Data Types: In Java we have two different types of data types i.e. Primitive data types and non-primitive data types. Primitive data types are int,long ,Boolean, float, double and non primitive data types are String, and Array.