Core Java

Description

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. Also note that they’re talking about a set of libraries rather than the programming language…

Core Java Course content

Core Java Programming Introduction of 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

Data Types and Operators

• Primitive Data types, 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 Data types
• 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

Control Flow Statments

• Statements and it's various categories in Java
• If, if-else, if-else-if
• Switch case
• for statement (both flavors traditional and enhanced for)
• while and do-while loops
• The continue Statement; labeled continue statement
• The break Statement; labeled break statement
• Return statement

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
• 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

Packages

• Need for packages
• What are packages
• Package declaration in Java
• Import statement in Java
• How do packages resolve name clashes?

Statics

• Static variables and methods
• Static imports
• Static initialization blocks
• Instance intialization blocks
• Static concept in inheritance

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

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?

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

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 - String Builder and StringBuffer
• aSplitting of Strings and String Tokenizer class

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 Implimentation classes
• Utility classes
• Sorting collections using utility methods
• equals() and hash Code contract in Java collections
• overriding equals and hash Code methods in Java
• New Collections added in Java 1.6
• Primitive wrapper classes and all its method APIs

Input-Output 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 - String Builder and StringBuffer
• aSplitting of Strings and String Tokenizer class

Serialization

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

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

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
• Synchronization for threads
• Static and non-static synchronized methods;
• Blocks; concept of object and class locks
• Coordination between threads - wait, notify and notify
• All methods for inter-thread communication

JDBC

• What is JDBC; introduction
• JDBC features
• JDBC Drivers
• Setting up a database and creating a schema
• Writing JDBC code to connect to DB
• CRUD Operations with JDBC
• Statement types in JDBC