Modifier's, Variable's in Java.

Modifier's in Java-

Modifier's are keywords that you add to those defination's to change, modify or specify their meaning there are two major types of modifiers in java.

1. Access
2. Non-access

Access modifiers are-

Public- Visible to all.

Private- visible to class only.

Protected- Visible to the package and all sub-class.

Default- Visible to the package.

Non-access modifier are-

Static-

The static modifier for calling methods and variables without an object to which it belongs.

Final-

The final modifier for finalizing the implementation of classes ,methods and variables.

Abstract-

Abstract modifier for creating abstract classes and methods.

Synchronized and volatile-

The synchronized and volatile modifiers which are used for threads. 

Variable's-

• Variables are memory locations which are reserved to store values.
• This implies while declaring a variable you reserve some memory.
• when you want to use a variable in a program, we should declare it.

        int x;

• Here we declare variable x, which can store integer type data.