Java Course by Rajasekhar Gali

The Complete Java Development Course (Beginner to Advanced) is a comprehensive, job-oriented online training program designed to take learners from absolute Java basics to advanced enterprise-level application development. This course is ideal for students, fresh graduates, career switchers, and aspiring backend or full-stack Java developers who want a strong, practical command of Java and its modern frameworks.

Java remains one of the most in-demand programming languages globally, powering enterprise systems, web applications, backend services, and large-scale platforms. This course is structured to help learners not only understand Java concepts clearly but also apply them confidently in real-world projects and interviews.

The journey begins with a solid foundation in Core Java, covering syntax, data types, control structures, arrays, strings, and object-oriented programming (OOP). Concepts such as inheritance, polymorphism, encapsulation, abstraction, and exception handling are explained step by step with practical coding examples. Learners gradually progress to advanced topics like collections, multithreading, file handling, and JDBC, ensuring strong backend programming skills.

The course then moves into Advanced Java and Web Technologies, introducing learners to HTML, CSS, HTTP, servlets, JSP, and MVC architecture. This helps students understand how Java applications interact with the web and databases in real-world environments.

A major highlight of the course is in-depth training on the Spring Framework and Spring Boot, which are essential for modern Java backend development. Learners gain hands-on experience in building RESTful web services, integrating databases using JPA and Hibernate, handling exceptions, and creating scalable backend systems. Industry tools such as Git, GitHub, Maven, and logging frameworks are also covered to prepare learners for professional development workflows.

The course concludes with real-time projects and interview preparation, helping learners build confidence, practical exposure, and job readiness.

Overview

This course is suitable for:

• Beginners with no prior Java experience

• Engineering and computer science students

• Graduates preparing for Java developer roles

• Professionals aiming to upskill in backend development

• Learners targeting Java, Spring Boot, or full-stack roles

Mode: Online live or guided sessions
Duration: 1–2 months (job-oriented training)

What Students Will Learn

MODULE 1: INTRODUCTION TO JAVA

• What is Java

• History of Java

• Features of Java

• Java editions (JSE, JEE, JME)

• Java vs C / C++

• Applications of Java

MODULE 2: JAVA ENVIRONMENT SETUP

• JDK, JRE, JVM explanation

• Java installation steps

• IDEs: Eclipse, IntelliJ, VS Code

• Writing and executing first Java program

• Structure of a Java program

MODULE 3: JAVA BASICS

• Keywords and identifiers

• Variables

• Data types

  • Primitive data types

  • Non-primitive data types

• Type casting

• Comments in Java

MODULE 4: OPERATORS IN JAVA

• Arithmetic operators

• Relational operators

• Logical operators

• Assignment operators

• Unary operators

• Ternary operator

• Operator precedence

MODULE 5: CONTROL STATEMENTS

Conditional Statements

• if

• if-else

• nested if

• switch case

Looping Statements

• for loop

• while loop

• do-while loop

• break and continue

MODULE 6: ARRAYS AND STRINGS

Arrays

• Single-dimensional arrays

• Multi-dimensional arrays

• Array programs

Strings

• String class

• StringBuffer

• StringBuilder

• String methods

• Difference between String, StringBuffer, and StringBuilder

MODULE 7: OBJECT ORIENTED PROGRAMMING (OOPS)

• Class and Object

• Constructors

• this keyword

• static keyword

Inheritance

• Types of inheritance

• super keyword

• Method overriding

Polymorphism

• Method overloading

• Method overriding

• Compile-time polymorphism

• Runtime polymorphism

Encapsulation

• Access modifiers

• Getter and Setter methods

Abstraction

• Abstract class

• Interface

• Difference between abstract class and interface

MODULE 8: EXCEPTION HANDLING

• Introduction to exceptions

• Types of exceptions

• try-catch block

• finally block

• throw keyword

• throws keyword

• Custom exceptions

MODULE 9: PACKAGES AND ACCESS MODIFIERS

• Built-in packages

• User-defined packages

• Access modifiers

  • public

  • private

  • protected

  • default

MODULE 10: COLLECTIONS FRAMEWORK

• Collection framework overview

• List interface

  • ArrayList

  • LinkedList

• Set interface

  • HashSet

  • LinkedHashSet

• Map interface

  • HashMap

  • TreeMap

• Iterator

• Comparable and Comparator

MODULE 11: MULTITHREADING

• Introduction to multithreading

• Thread lifecycle

• Creating threads

• Runnable interface

• Thread synchronization

• Inter-thread communication

MODULE 12: FILE HANDLING

• File class

• FileReader and FileWriter

• BufferedReader and BufferedWriter

• Serialization

• Deserialization

MODULE 13: JDBC (ADVANCED JAVA)

• JDBC architecture

• JDBC drivers

• Steps to connect Java with MySQL

• CRUD operations

• Statement and PreparedStatement

• ResultSet

MODULE 14: WEB TECHNOLOGY BASICS

• HTML basics

• CSS basics

• HTTP protocol

• Client-server architecture

MODULE 15: SERVLETS

• Introduction to servlets

• Servlet lifecycle

• doGet() and doPost()

• RequestDispatcher

• Session management

MODULE 16: JSP (JAVA SERVER PAGES)

• JSP introduction

• JSP syntax

• JSP directives

• JSP implicit objects

• MVC architecture

MODULE 17: SPRING FRAMEWORK

Spring Core

• Inversion of Control (IOC)

• Dependency Injection

• Bean lifecycle

• XML and Annotation-based configuration

Spring MVC

• Controllers

• View resolver

• Form handling

MODULE 18: SPRING BOOT

• Introduction to Spring Boot

• Spring Boot architecture

• Auto configuration

• RESTful web services

• CRUD operations

• Connecting Spring Boot with MySQL

• JPA and Hibernate basics

• Exception handling

MODULE 19: TOOLS AND TECHNOLOGIES

• Git and GitHub

• Maven basics

• Debugging in IDE

• Logging (Log4j)

MODULE 20: REAL-TIME PROJECT

• Student Management System

• Employee Management System

• REST API-based project

• End-to-end project explanation

MODULE 21: INTERVIEW PREPARATION

• Core Java interview questions

• OOPS interview questions

• Coding programs

• JDBC and Spring Boot questions

• Resume preparation

• Mock interviews

Teaching Method

• Mode: Online

• Concept-first teaching with live coding demonstrations

• Step-by-step progression from beginner to advanced topics

• Hands-on practice, assignments, and project-based learning

• Real-world examples aligned with industry use cases

• Interview-oriented explanations and coding practice

Why Learn with Rajasekhar Gali

Rajasekhar Gali follows a structured, practical, and clarity-driven teaching approach focused on building strong fundamentals and real-world application skills. The course content is organized to help learners progress confidently, with emphasis on understanding concepts rather than memorization. The inclusion of projects, tools, and interview preparation makes this course especially valuable for learners aiming for Java developer roles.

COURSE OUTCOME

After completing this course, learners will be able to:

• Understand Java concepts clearly

• Develop real-time Java applications

• Work with databases and web technologies

• Build Spring Boot applications

• Crack Java developer interviews

• Start a career as a Java / Backend Developer