Core Java Online training

What is Core Java : “Core Java” is Sun’s term, used to refer to Java SE, the standard edition and a set of related technologies, like the Java VM, CORBA, et cetera. This is mostly to differentiate from, say, Java ME or Java EE.

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Core Java Course Content

1. Core Java Programming

• 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 and 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. Serialization
• Object Serialization
• Serializable Interface
• Serialization API
• ObjectInputStream and ObjectOutput
• Transient Fields
• readObject and writeObject

15. Inner Classes

• Inner Classes
• Member Classes
• Local Classes
• Anonymous Classes
• Static Nested Classes

16. 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

17. Applets

• 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

18. Swing GUI

• Introduction to AWT
• Introduction to Swing GUI
• Advantages of Swing over AWT
• Swing API
• Swing GUI Components
• Event Handlers for Swing
• Sample Calculator application using Swing GUI and Swing Event handling

19. JDBC

• What is JDBC; introduction
• JDBC features
• JDBC Drivers
• Setting up a database annd cretaing a schema
• Writing JDBC code to connect to DB
• CRUD Operations with JDBC
• Statement types in JDBC
• Types of Rowset, ResultSet in JDBC

20. Access Modifers in Java

• What are access modifiers?
• Default
• Protected
• Private
• Public