Core Java Concepts

This section contains basic core Java concepts , which helps us to design a Java application. A Java application basically is a collection of Objects, Methods and yup Classes. Some of the important concepts of core Java are:

• Hello Java
• Object, Class, Method and Instance variables
• Data Type
• Operators
• String
• Array
• basics of File Input/Output System
• Exception handling
• Object Oriented Programming
• Abstraction
• Encapsulation
• Inheritance
• Polymorphism
• Interfaces
• Overriding and Overloading
• Packages
• Abstract classes
• Serialization
• Collection framework
• Multithreading
• Basic Keywords
• this
• static
• final
• super
• Inner Classes
• Event Handling
• Applet