Last Update On:23-12-2024

Core Java

Course Content Topics:
1)Fundamentals of Object-Oriented Programming
2)Java evolution
3)Overview of language
4)Data types, constants
5)Operators
6)Decision Making and branching
7)Looping 
8)OOPS
9)Classes,objects,methods
10)Encapsulation
11)Polymorphism
12)Abstraction
13)Inheritance
14)Accepting input from the user
15)Interfaces
16)Arrays
17)Strings
18)Constructors and destructors
19)Garbage Collection
20)Packages
21)Multithreading(if required)
22)enum in java
23)Errors and Exceptions
24)Collections
25)Command Line Arguments
26)Inner Classes
27)static and initializer blocks
28)I/O Streams

Course Content in detail:

• Introduction to java
• History of java
• Features of java
• Modules in java
• Java API
• Concepts of JDK, JSL, JRE
• How java Works
• Installation of JDK
• Set up the path and classpath
• Structure of java program
• Design, Compile and execute first java program through command prompt
• Analyzing the output in command prompt

Introduction to IDE:

• What is IDE
• Purpose of IDE
• Different IDE's in the market
• Benefits of using IDE
• Installing IDE    
• Creating java project in IDE
• Creating package, class in IDE    
• Designing and executing a java program in IDE
• Analyze the results in the console

Data types

• What is a data type
• Types
• Differences among different data types

Variables and constants in java

• What is a variable
• An instance or nonstatic variables
• static variables
• final variables
• local variables
• What is a constant
• How to convert a variable into constant

Comments in java

• What is a comment
• Single line comments
• Multiline comments

Operators

• Arithmetic Operator     
• Relational Operator         
• Incrementation Operator
• Decrementation Operator
• Logical Operator
• Assignment Operator      
• Conditional or ternary Operator            
• Bitwise Operator
• instance of Operator

Decision making and branching

• if
• if-else
• if-else ladder
• Nested if
• switch keyword

Looping

• for loop
• while loop
• do-while loop
• Nested loops
• break keyword
• continue keyword
• goto keyword

Methods in java

• What is a method
• Types 
• Parameterless methods
• Parameterized methods
• Parameter passing techniques to a method

Object-Oriented Programming Language

• What is OOPS
• Relation between java and OOPS
• What is a class
• What is an object
• Examples of classes and objects

Naming conventions in java

• What is a naming convention
• Conventions for class
• Conventions for methods
• Conventions for keywords

Pillars of java

• Encapsulation
• Polymorphism
• Method Overloading
• Method Overriding
• Inheritance
• Single
• Hierarchical
• Multi-level
• Multiple
• Hybrid
• Abstraction

Constructors

• What are a constructors
• Purpose of it
• Default constructors
• Parameterless constructors
• Parameterized constructors
• Overloaded constructors
• this keyword
• super keyword
• Field shadowing

Destructors

• What is a destructor
• What is garbage Collection
• How to implement destructor concept in java
• How to accept input from the user
• Scanner class
• BufferedReader class
• DataInputStream class

Arrays

• What is an array
• Purpose of an array
• 1D and 2D arrays
• Enhanced for loop/for each loop

Command Line Arguments

• What is Command Line Arguments
• Purpose of Command-Line Arguments
• How to execute the program by passing Command Line Arguments

Strings

• What is a String
• Purpose of using String
• String Tokenizer
• split method
• StringBuffer and StringBuilder classes

Interfaces

• Problems with multiple inheritances
• What is an interface
• Purpose of an interface
• Dynamic method dispatch
• How interfaces support multiple inheritances
• Extending interfaces

enum keyword

• What is enum
• Purpose of it
• Advantages of using the enum keyword

Packages

• What is a package
• Purpose of using packages
• Advantages
• How to create a package and how to use the classes under a package
• How to avoid naming collisions using packages
• Access specifiers 
• Sub packages

MultiThreading

• What is a thread
• How to run multiple pieces of codes  simultaneously using threads
• Different methods in thread class
• Creating threads by using the Thread class
• Creating threads by using Runnable interface
• Synchronization
• Synchronized methods
• Synchronized blocks
• Types of locks
• Purpose of join method
• Thread priority
• Inter thread communication

Exception handling

• What is an exception
• How to handle exceptions
• try keyword
• catch keyword
• throw keyword
• throws keyword
• finally keyword
• Types of exceptions
• Checked exceptions
• Unchecked exceptions
• Custom exceptions

Collection framework
    

• Disadvantages with the arrays
• What is a collection
• Purpose of using collections
• Types of collection
• Different classes and interfaces in the collection framework
• What are Wrapper classes 
• What is an iterator
• Types of iterators
• Normal iterator
• List iterator
• Enumeration
• Generics in collections 
• Type diamond rule or Diamond operator    

Annotations

• What is an annotation 
• The benefits of using annotations is our program
• Types of annotations

I/O Streams

• What is a stream
• Working with files
• What is Serialization
• What is Deserialization
• What is a transient keyword
• What is a marker interface
• instanceof operator
• Destructors 
• Garbage Collector
• Static blocks
• Initializer blocks