Java Training

 

💡 Java Core Syllabus (Beginner to Intermediate)

1. Introduction to Java

• History and features of Java
• Java Virtual Machine (JVM), JRE, JDK
• Setting up Java environment
• Structure of a Java program
• Compilation and Execution process

2. Data Types and Variables

• Primitive data types
• Type casting
• Variables, constants
• Operators and expressions

3. Control Flow Statements

• if, if-else, switch
• Loops: for, while, do-while
• break, continue, return

4. Object-Oriented Programming (OOP)

• Classes and Objects
• Constructors (default, parameterized, copy)
• this keyword
• Method overloading
• Access modifiers

5. Inheritance

• extends keyword
• Method overriding
• super keyword
• final keyword
• Types of inheritance (single, multilevel, hierarchical)

6. Polymorphism

• Compile-time (Method overloading)
• Run-time (Method overriding)
• Dynamic method dispatch

7. Abstraction

• Abstract classes and methods
• Interfaces and multiple inheritance

8. Encapsulation

• Getters and setters
• JavaBeans conventions

9. Packages and Access Modifiers

• Built-in and user-defined packages
• Importing packages
• Access control (public, private, protected, default)

10. Exception Handling

• try, catch, finally, throw, throws
• Checked vs Unchecked exceptions
• Custom exceptions

11. Arrays and Strings

• Single & Multi-dimensional arrays
• String, StringBuilder, StringBuffer
• String manipulation and methods

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Advance

1. JDBC (Java Database Connectivity)

📚 Basics

• JDBC Architecture
• JDBC Drivers (Type 1–4)
• Steps to connect to a Database

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✅ 2. Spring Framework (Core Spring)

📚 Introduction

• What is Spring?
• Advantages of Spring over traditional Java EE

🌱 Core Concepts

• Inversion of Control (IoC)
• Dependency Injection (DI)
• Constructor-based vs Setter-based
• Spring Beans, Bean Scopes, Bean Life Cycle
• Autowiring and Annotations (@Component, @Autowired, @Qualifier)

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✅ 3. Spring Boot (Microservices Development)

🚀 Getting Started

• What is Spring Boot?
• Spring Boot vs Spring
• Spring Initializr (start.spring.io)
• Project Structure and Dependencies

🔧 Core Features

• Auto-configuration
• Spring Boot Starters
• Embedded servers (Tomcat, Jetty)
• application.properties / application.yml

🧩 Building REST APIs

• REST Controller: @RestController, @RequestMapping, @GetMapping, etc.
• JSON handling with Jackson
• Exception Handling (@ExceptionHandler, @ControllerAdvice)
• Validation with @Valid and @NotNull

🧵 Connecting to MySQL

• Configuring database connection
• Spring Data JPA (Repository pattern)
• @Entity, @Table, @Id, @GeneratedValue
• CRUD operations using JpaRepository

📦 Packaging and Deployment

• JAR/WAR creation
• Running Spring Boot apps
• Dockerizing a Spring Boot app

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✅ 4. JSP (Java Server Pages)

🌐 Basics

• JSP lifecycle
• Directives: page, include, taglib
• Scriptlets vs Expressions vs Declarations

🔧 Tag Libraries

• JSP Standard Tag Library (JSTL)
• Custom tags

🔒 Implicit Objects

• request, response, session, application, out, config

🛠 MVC Architecture

• Using JSP as View with Servlet as Controller
• JSP with JSTL for dynamic pages

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✅ 5. MySQL (Database)

📚 Basics

• SQL syntax (CRUD)
• Data types, Primary key, Foreign key
• Joins: INNER, LEFT, RIGHT, FULL
• Indexing and Performance

🛠 Working with Java

• Creating schemas and tables
• Writing queries used in JDBC or Spring Data JPA
• Transactions, constraints

🔐 Security and Best Practices

• SQL Injection prevention
• User privileges and roles
• Connection pooling

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🧩 Final Integration: Full Stack Mini Project

Build a simple web app using:

• Frontend: HTML/CSS + JSP
• Backend: Spring Boot + REST APIs
• Database: MySQL (CRUD operations)
• Persistence: Spring Data JPA
• Deployment: Package as a JAR or deploy on Tomcat

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