جافا Java

You can create an instance of the Math class

You cannot declare a local variable in a method that has same name as an instance variable in the class.

A static method in a class can access the instance variables in the same class.

You can use modifiers on local variables inside a method.

You cannot use the private modifier on classes

You can access a class variable using a syntax like objectName.classVariable or ClassName.classVariable

#Objects_and_Classes Default Constructor have tow arguments

We can use Access modifiers with Local Variables

int n; n=n+10; كم قيمه n

Variable : a location in main memory that holds only onevalue of a particular data type at , but that value can not be changed

يعتبر int

We can change data type after bdeclared

variable must be declared with a data type