Introduction To Java

• What is Java?

• Why Java?

• Java History.

• Features of Java.

• Advantages of Java.

Java Installation

• Java Installation.

• Eclipse Installation.

• Environment Setup.

• My First Java Program.

Data Types & Variables

• What are data types?

• Types of datatypes.

• What are variables?

• Types of variables.

• Type casting.

Operators

• Unary Operator,

• Arithmetic Operator,

• Shift Operator,

• Relational Operator,

• Bitwise Operator,

• Logical Operator,

• Ternary Operator and

• Assignment Operator.

Methods

• Details about the main Method.

• Significance of void, return keywords.

• Method Calling from main() method.

• Return values from the called method.

• Argument Passing, Local Variable, Global Variable.

Blocks

• Static block.

• Instance block.

Control Statements (or) Control flow in Java

• Decision-Making statements

• if statements - Simple if, if else, if else-if, Nested if.

• switch statement

• Loop statements

• do while loop

• while loop

• for loop

• for-each loop

• Jump statements

• break statement

• continue statement

Array

• What is an Array?

• Need of Array?

• Types of array?

• Array declaration - Two types.

Scanner

• Getting inputs at runtime

• Scanner Class and its methods

Packages

• Predefined Packages

• Userdefined Packages

String

• String Class

• String declaration? two ways

• Heap Memory, String Constant Pool Memory

• Difference between String literal and String Object

• The difference between the == operator and equals method

• toString() method, hashCode() method

Constructor

• What is Constructor

• How Constructor is being called

• Rules for Constructor

• Constructor Overloading

Wrapper Classes

• What are wrapper classes?

• Difference between wrapper class and primitive data types.

• What are boxing, unboxing, and autoboxing, auto unboxing?

OOPS

• Introduction

• Benefits of OOP Programming.

OOPS Concepts

• Classes and Objects   

• What is Class, Declaring a Class, Rules for Naming Class.

• Creating an Object, new keyword.

• Polymorphism

• Methods with different no. and type of arguments

• Introduction to Polymorphism

• Method Overloading? Compile Time Polymorphism

• Method Overriding- Runtime Polymorphism

• Encapsulation

• Need for encapsulation.

• Advantages

• Inheritance

• Need for Inheritance

• IS-A relationship

• Usage of extends keyword

• Types

• Single inheritance,

• Multilevel,

• Hierarchical Inheritance,

• Hybrid inheritance,

• Multiple Inheritance.

• Abstraction

• Definition and Types- Abstract class and Interface.

• Abstract class

• Details about abstract keyword

• Abstract Class

• Abstract Method

• Is creating an Object for an abstract class not possible? Why

• Interface

• What is Interface

• Difference between Abstract class and Interface

• Usage of implements keyword

• Interface, Sub Interface

Access modifiers and Non-access modifiers

• Access modifiers

• Private, default, protected, and public.

• Non access modifiers

• Static, final, abstract, etc,..

Exception handling in Java.

• What is Exception?

• Difference between Exception and Error

• Syntax for Exception Handling Mechanism.

• try Block, Catch Block, Exception, Checked Exceptions

• Catch Block (or) Multiple Catch.

• Throw, Throws, The finally Block,

• User-Defined(Custom) Exceptions.