• Java Why? What? How? When? Where?
• Different Java Versions.
• How Java is different from other Technologies

• How to Install & set Path.
• A Simple Java Program
• Compiling & executing Java Program
• Phases of Java Program
• Analysis of a Java Program
• Understanding Syntax and Semantic Error,
• Runtime Exception
• Name of a Java Source File
• Platform Independency
• Java Technology (JDK, JRE, JVM, JIT)
• Features of Java
• Text Editors
• Consoles

• Naming convention of Java language
• Comments
• Statements
• Blocks (Static, Non-static/instance)
• Identifiers
• Keywords
• Literals
• Primitive Data Types, Range
• Reference (User defined) Data type
• Variables (Primitive, Reference)
• Type Casting, Default Value
• Operators
• Program/Interview questions

• Working with Control Structures
• Types of Control Structures
• Decision Control Structure (if, if-else, if else if, switch –case)
• Repetition Control Structure (do –while,while, for)
• Program/Interview questions

• Java program inputs from Keyboard
• Methods of Keyboard inputs
• Scanner, Buffered Reader
• Problem Solving
• Java Array
• What is Array
• Array Declaration in java vs C and C++.
• Instantiation of an Array
• String vs character array.Accessing Array
• Elements, Default Value, for-each loop, varargs
• Length of an Array (What is –Array Index Out Of Bounds Exception)
• Increasing, Decreasing the Size and Copy of an Array
• Multi-Dimensional Arrays
• Program/Interview questions
• Program/Interview questions Difference between C and C++ with Java
• Application Compilation and Run
• Interview related Question and Answer

• Procedural Vs Object Oriented Program
• Different type of Program Procedural Vs Object Oriented.
• Top Down Vs Bottom Up Approach
• Introduction to Object Oriented
• Abstraction, Encapsulation, Inheritance,
• Polymorphism.
• Introduction to Classes and Objects
• Custom Class Definition
• Instance and Static Variables
• Different ways to create Object Instance
• Instance Variable and it’s role in a Class
• Constructors, types of Constructor,
• Constructor Rule, Constructor Overloading
• Static Variable and it’s use.
• Methods and their behavior.
• Constructor vs Methods
• Constructors
• “this” Keyword
• Java Access Modifiers (and Specifiers)
• Programming Interview related Question and Answer
• Call by value, Call by reference

• What is a Command-Line Argument?
• Java Application with Command-Line Arguments
• Conversion of Command-Line Arguments
• Passing Command-Line Arguments
• Using methods (Static , Non Static)

• Using various Editors
• Program Compilation, Execution in Editor
• Using Eclipse IDE
• Project Set Up
• Source File Generation
• Application Compilation and Run

• First View of Inner Class
• Outer Class Access
• Types of Inner Class

• Complete concepts of Inheritance
• Sub-Classes
• Object Classes
• Constructor Calling Chain
• The use of “super” Keyword
• The use of “private” keyword inheritance.
• Reference Casting

• Introduction to Abstract Methods
• Abstract Classes and Interface
• Interface as a Type
• Interface v/s Abstract Class
• Interface Definition
• Interface Implementation
• Multiple Interfaces’ Implementation
• Interfaces’ Inheritance
• How to create object of Interface

• Introduction to Polymorphism
• Types of Polymorphism
• Overloading Methods
• Overriding Methods
• Hiding Methods
• Final Class and Method
• Polymorphic Behavior in Java
• Benefits of Polymorphism
• “Is-A” vs “Has-A”
• Association Vs Aggregation
• Interview related Question and Answer.

• Package and Class path and its use
• First look into Packages
• Benefits of Packages
• Package Creation and Use
• First look into Class path
• Class path Setting
• Class Import
• Package Import
• Role of public, protected, default and private w.r.t package
• Namespace Management
• Package vs. Header File
• Creating and Using the Sub Package
• Sources and Class Files Management

• Java.lang Hierarchy
• Object class and using toString(), equals(),hashCode(), clone(), finalize() etc
• Using Runtime Class, Process Class to play music, video from Java Program
• Primitives and Wrapper Class
• Math Class
• String, StringBuffer, StringBuilder Class
• String Constant Pool
• Various usage and methods of String,StringBuffer, StringBuilder
• Wrapper Classes
• System Class using gc(), exit(), etc.

• Auto boxing and Auto unboxing
• Static import.
• Instance of operator.
• Enum and its use in Java
• Working with jar

• Garbage Collection Introduction
• Advantages of Garbage Collection
• Garbage Collection Procedure
• Java API
• Interview related Question and Answer

• Introduction to Exceptions
• Effects of Exceptions
• Exception Handling Mechanism
• Try, catch, finally blocks
• Rules of Exception Handling
• Exception class Hierarchy, Checked &
• Unchecked Exception
• Throw & throws keyword
• Custom Exception Class
• Chained Exception.
• Resource handling & multiple exception class
• Interview related Question and Answer.

• Introduction
• Advantages
• Creating a Thread by inheriting from Thread class
• Run() and start() method.
• Constructor of Thread Class
• Various Method of Thread Class
• Runnable Interface Implementation
• Thread Group
• Thread States and Priorities
• Synchronization method, block
• Class & Object Level Lock
• Deadlock & its Prevention
• Inter thread Synchronization
• Life Cycle of Thread
• Deprecated methods : stop(), suspend(),resume(), etc
• Interview related Question and Answer

• Java I/O Stream
• I/O Stream – Introduction
• Types of Streams
• Stream Class Hierarchy
• Using File Class
• Copy and Paste the content of a file
• Byte Streams vs Character Streams
• Text File vs Binary File
• Character Reading from Keyboard by Input Stream Reader
• Reading a Line/String from Keyboard by Buffered Reader
• Standard I/O Streams Using Data Streams to read/write
• primitive data
• PrintStream vs PrintWriter Using StreamTokenizer and RandomAccessFile
• Interview related Question and Answer

• Introduction to Serialization
• Using Object Streams to read/write object
• Transient Keyword
• Serialization Process
• Deserialization Process
• Interview related Question and Answer

• Generics(Templates)
• What is generic
• Creating User defined Generic classes
• The java.util package
• Collection
• What is Collection Framework
• List, Set & Map interfaces
• Using Vector, Array List, Stack,
• Linked List, etc.
• Using Collections class for sorting
• Using Hashtable, Hash Map, Tree Map,
• SortedMap, LinkedHashMap etc.
• Iterator, Enumerator.
• Using Queue, Deque, SortedQue, etc.
• Using HashSet, TreeSet, LinkedHashSet etc
• Using Random class
• Using Properties in a Java Program
• Using user defined class for DataStructure
• Using Date and Formatting Date class.
• Interview related Question and Answer

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