Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let application developers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. The syntax of Java is similar to C and C++, but has fewer low-level facilities than either of them. The Java runtime provides dynamic capabilities (such as reflection and runtime code modification) that are typically not available in traditional compiled languages. As of 2019, Java was one of the most popular programming languages in use according to GitHub, particularly for client-server web applications, with a reported 9 million developers.
Module 1
Introduction to java
What is java
History of Java
Features of Java
JDK, JRE and JVM
Internal Details of JVM
Hello Java Program Internal
Variable and Data Type
Command Line Argument
Types of Memory Arias
Module 2
Control Statements
Java If-else
Java Switch
Java For Loop
Java While Loop
Java Do While Loop
Java Break
Java Continue
Module 3
Java OOPs Concepts
Java OOPs Concepts
Naming Convention
Package
Types of variable in java
Object and Class
Object class
Constructor
Object Cloning
static keyword
final keyword
super keyword
this keyword
Inheritance
Single Inheritance
Multilevel Inheritance
Hierarchical Inheritance
Multiple Inheritance
Ambiguity in Multiple Inheritance
Dimond problem
Constructor in Inheritance
Inheritance(IS-A)
Aggregation(HAS-A)
Polymorphism
Method Overloading
Method Overriding
Runtime Polymorphism
Dynamic and Compile time Binding
instance of operator
Encapsulation
Access Modifiers
Bean class
Abstraction
Abstract class
Interface
How to achieve Multiple Inheritance with Interface in java
Default method in Interface
Functional Interface
Abstract vs Interface
Wrapper Class
Type Casting
Java Array
Java Auto Boxing feature
Module 4
Java String
What is string
Immutable String
String Comparison (equals method vs == operator)
Difference between String literal and String Objects
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