Core Java
Course Highlights
- Introduction to Java
- Comparison with C and C++
- The JDK Directory Structure
- Control Flow statements
- Packages
- Constructors
- Exceptions in Java
- Collection Framework in Java
- Input-Output in Java
- Applets
- Threads
- Access Modifers in Java
Core Java Course Details
1) Introduction to Java
- Introduction to Java; features of Java
- Comparison with C and C++
- Download and install JDK/JRE (Environment variables set up)
- The JDK Directory Structure
- First Java Program through command prompt
- First Java Program through Eclipse
2) Data Types & Operators
- Primitive Datatypes, Declarations, Ranges
- Variable Names Conventions
- Numeric Literals, Character Literals
- String Literals
- Arrays(One dimensional; two- dimensional)
- Array of Object References
- Accessing arrays, manipulating arrays
- Enumerated Data Types
- Non-Primitive Datatypes
- Defining a class, variable and method in Java
- Method Signature; method calls
- Expressions in Java; introduction to various operators
- Assignment Operator
- Arithmetic Operators
- Relational Operators
- Logical Operators
- Conditional Operators
- Operator Precedence
- Implicit Type Conversions
- Upcasting and downcasting
- Strict typing
- Type conversion
3) Control Flow Statements
- Statements and it’s various categories in Java
- if, if-else, if-else-if
- switch case
- for statement (both flavours traditional and enhanced for)
- while and do-while loops
- The continue Statement; labelled continue statement
- The break Statement; labelled break statement
- return statement
4) OOPS and its application in Java
- Classes and Objects
- Defining a class;Defining instance variables and methods
- Creating objects out of a class
- Method calls via object references
- Abstraction
- Interfaces and Abstract classes
- Abstract and non-abstract methods
- Inheritance
- extends and implements keywords in Java
- Super class and Sub class
- this keyword, super keyword in Java for inheritance
- Concrete classes in Java
- Polymorphism
- Compile time polymorphism — Overloading of methods
- Run time polymorphism — Overriding of methods
- Method Overriding rules and method overloading rules
- Introduction to Object class and it’s methods
- Encapsulation
- Protection of data
- Java Bean, POJO
- Getters/Setters
- Memory management in Java
- Heap
- Stack
5) Packages
- Need for packages
- What are packages; package declaration in Java
- Import statement in Java
- How do packages resolve name clashes?
6) Miscellaneous
- Var-Args
- Reference variables, local variables, instance variables
- Memory allocations to variables
- Double equals operator(==) operator for primitives and objects
- toString() method on an object
7) Statics
- Static variables and methods
- Static imports
- Static initialization blocks; instance intialization blocks
- Static concept in inheritance
8) Constructors
- What are Constructors?
- Properties of Constructors
- Default and Parameterized Constructors
- Rules for constructor implementation
- Constructor Chaining
- this call; super call for constructors
- Constructors for Enumerated Data Types
- Constructors concept for Abstract classes and interfaces
9) Exceptions in Java
- What are Exceptions?
- Need for exceptions
- How can Exceptions be coded in Java?
- API heirarchy for Exceptions
- Types of Exceptions
- Keywords in Exception API: try, catch, finally, throw, throws
- Rules for coding Exceptions
- Declaring Exceptions
- Defining and Throwing Exceptions
- Errors and Runtime Exceptions
- Custom Exception
- Assertions
- What are Assertions?
- Enabling and disabling assertions in development environment
10) Strings in Java
- What are Strings?
- String heap memory and Constant Pool memory
- Immutability in Strings
- String creation on heap and constant pool
- Method APIs on String; operations on Strings
- Mutability of String Objects – StringBuilder and StringBuffer
- Splitting of Strings and StringTokenizer class
11) Collection Framework in Java
- The Collections Framework
- The Set Interface
- Set Implementation Classes
- The List Interface
- List Implementation Classes
- The Map Interface
- Map Implementation Classes
- Queue Interface
- Queue Implmentation classes
- Utility classes
- Sorting collections using utility methods
- equals() and hashCode contract in Java collections
- overriding equals and hashCode methods in Java
- New Collections added in Java 1.6
- Primitive wrapper classes and all its method APIs
12) Generics
- Generics for Collections
- Generics for class
- Generics for methods
13) Input-Output in Java
- What is a stream?
- Overview of Streams
- Bytes vs. Characters
- Overview of the entire Java IO API
- Reading a file; writing to a file usinf various APIs
- Reading User input from console
- PrintWriter Class
14) Threads in Java
- Non-Threaded Applications
- Threaded Applications
- Process based multitasking Vs Thread based multitasking
- Thread API in Java
- Creating Threads
- States of a Thread
- Sychronization for threads; static and non-static synchronized methods; blocks; concept of object and class locks
- Coordination between threads – wait, notify and notifyAll methods for inter-thread communication
15) Applets in Java
- What are applets?
- Need for Applets
- Different ways of running an applet program
- Applet API heirarchy
- Life Cycle of an applet
- Even Handlers for applets, mouse events, click events
16) Access Modifiers in Java
- What are access modifiers?
- Default
- Protected
- Private
- Public
Small Batches
Mentoring By Experts
Flexible Schedule
Learn By Doing
Goal Oriented
How a batch runs
Classes are online or at F-19/8, 3rd Floor, Sector 8, Rohini, Delhi – 110085. You get project work, a training certificate, and placement assistance. Advertised course fees include GST. Confirm the timetable, teaching hours, trainer, software costs and any instalment terms before enrolling. Ask the counselling desk about the next start date — call 18008913982.
Learn in a real classroom
Classes run in our lab at F-19/8, 3rd Floor, Sector 8, Rohini, Delhi – 110085, with a trainer beside you, or live online. Come for a free demo class and see it for yourself.
Frequently asked questions
What is the fee for Core Java?
The fee is ₹10,999, GST included. Easy EMI is available on the diploma and longer courses; the counselling desk explains the current plan and the next batch date.
How long is Core Java?
The course runs for 2 months. Weekday and weekend batches are available.
Are classes online or at the Rohini campus?
Both. You can study at the Coding Bytes campus in Sector 8, Rohini, Delhi, or join live, instructor-led online classes. You can book a free demo class first.
Who can join this course?
Students who have completed Class 12, graduates and working professionals can join. Basic English and basic computer knowledge are needed.
Will I get a certificate?
Yes. You receive a Coding Bytes course certificate when you complete the course. Coding Bytes is an ISO 9001:2015 certified institute.
Do you help with placements?
Yes. Every student gets placement assistance: interview preparation and help finding openings. It is assistance, not a job guarantee.