Core Java

Course Code: 0119


Java is the most popular and most commonly used computer programming language today. Core Java is used for developing general Java applications. It holds the fundamental concepts of Java that form the basis of the entire Java technology. Cognixia’s Core Java training course enables participants to learn the vital concepts and principles of Java and object-oriented programming. The training program comprises of hands-on exercises on real-life use cases taught by industry experts.

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Course Delivery

This course is available in the following formats:

Live Classroom 
Duration: 8 days

Live Virtual Classroom 
Duration: 8 days

What You'll learn

  • Internalize object-oriented programming concepts
  • Internalize basic Java concepts
  • Write Java programs using operators, constructors, loops, functions and conditions
  • Implement methods and encapsulation in Java
  • Implement multi-threading, string handling, and exception handling techniques
  • Use JDBC connections
  • Develop Java applications


  • Programming language types and Paradigms
  • Computer programming hierarchy
  • How computer architecture affects a language?
  • Why Java?
  • Flavors of Java
  • Java designing Goal
  • Role of Java programmer in industry
  • Features of Java language
  • JVM –The heart of Java
  • Java’s magic Byte code
  • The Java Environment
  • Installing Java
  • Java program development
  • Java source file structure
  • Compilation
  • Basic Language Elements
  • Lexical Tokens, Identifiers
  • Keywords, Literals, Comments
  • Primitive Data types, Operators
  • Object Oriented Programming
  • Class fundamentals
  • Object & object reference
  • Object life time & garbage collection
  • Creating and operating objects
  • Constructor & initialization code block
  • Access control, modifiers, and methods
  • Nested , inner class &, anonymous classes
  • Abstract Class & Interfaces
  • Defining Methods, Argument Passing Mechanism
  • Method Overloading, Recursion
  • Dealing with Static Members. Finalize () Method
  • Native Method. Use of “this “reference
  • Use of Modifiers with Classes & Methods
  • Design of Accessors and Mutator Methods
  • Cloning Objects, shallow and deep cloning
  • Generic Class Types
  • Use and benefits of inheritance in OOP
  • Types of inheritance in Java
  • Inheriting data members and methods
  • Role of constructors in inheritance
  • Overriding super class methods
  • Use of “super”
  • Polymorphism in inheritance
  • Type compatibility and conversion
  • Implementing interfaces
  • Organizing classes and interfaces in packages
  • Package as access protection
  • Defining package
  • Classpath setting for packages
  • Making jar files for library packages
  • Import and static import
  • Naming convention for packages
  • The idea behind exception
  • Exceptions & errors
  • Types of exception
  • Control flow in exceptions
  • JVM reaction to exceptions
  • Use of try, catch, finally, throw, throws in exception handling
  • In-built and user defined exceptions
  • Checked and un-checked exceptions
  • Defining an array
  • Initializing & accessing array
  • Multi –dimensional array
  • Operation on string
  • Mutable & immutable string
  • Using collection bases loop for string
  • Tokenizing a string
  • Creating strings using string buffer
  • Understanding threads
  • Needs of multi-threaded programming
  • Thread life-cycle
  • Thread priorities
  • Synchronizing threads
  • Inter communication of threads
  • Critical factor in thread -deadlock
  • Applet & application
  • Applet architecture
  • Parameters to Applet
  • Embedding Applets in web page
  • Applet security policies
  • Utility methods for Arrays
  • Observable and observer objects
  • Date & times
  • Using scanner
  • Regular expression
  • Input/Output operation in Java( Package)
  • Streams and the new I/O Capabilities
  • Understanding streams
  • The Classes for input and output
  • The standard streams
  • Working with file object
  • File I/O Basics
  • Reading and writing to files
  • Buffer and buffer management
  • Read/Write operations with file channel
  • Serializing objects
  • Designing graphical user interfaces in Java
  • Components and Containers
  • Basics of components
  • Using Containers
  • Layout Managers
  • AWT Components
  • Adding a menu to window
  • Extending GUI features using swing components
  • Java Utilities (java.util Package)
  • The Collection framework
  • Collections of objects
  • Collection types
  • Sets
  • Sequence
  • Map
  • Understanding Hashing
  • Use of Array List & Vector
  • Event-driven programming in Java
  • Event- handling process
  • Event-handling Mechanism
  • The delegation model of event handling
  • Event classes
  • Event sources
  • Event listeners
  • Adapter classes as helper classes in event handling
  • Inner class shortcut to event handling
  • Avoiding deadlocks in GUI code
  • Event types & classes
  • Networking programming
  • Networking basics
  • Client-Server architecture
  • Socket overview
  • Networking classes and interfaces
  • Network protocols
  • Developing networking applications in Java
  • Introduction to JDBC
  • JDBC Drivers & architecture
  • CURD operation using JDBC
  • Connecting to non-conventional databases
  • Introduction to email technical internals
  • Understanding of POP and SMTP framework
  • Complete understanding the email API
  • Mass mailer application development
  • Introduction to J2EE
  • J2EE Overview
  • Why J2EE?
  • J2EE Architecture
  • J2EE APIs
  • J2EE Containers
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Knowledge of a programming language such as C/C++ and an understanding of computer programs would be beneficial, though not mandatory.

Who Should Attend

The Core Java training program is highly recommended for current and aspiring:

  • Software developers
  • Aspiring Java developers
  • Full stack developers
  • Software engineers
  • Core Java programmers
  • UI developers
  • Back end developers

Interested in this course? Let’s connect!


Participants will be awarded with an exclusive certificate upon successful completion of the program. Every learner is evaluated based on their attendance in the sessions, their scores in the course assessments, projects, etc. The certificate is recognized by organizations all over the world and lends huge credibility to your resume.