This Core Java – Job-Oriented Professional Training Program is designed to provide practical, industry-oriented training in Java programming, Object-Oriented Programming, Collections, Exception Handling, Multithreading, Java 8 features, File Handling, JDBC, Java I/O, Generics, and modern Java development practices.

The course starts with Java programming fundamentals and progressively moves toward advanced Core Java concepts used in enterprise application development.

Students will work on hands-on coding exercises, real-world programming problems, debugging tasks, mini-projects, and an end-to-end Java application.

The program is suitable for freshers, students, working professionals, testers, developers, and anyone looking to build a strong foundation in Java and prepare for Java-based software development roles.

• ☑ Core Java Developer
• ☑ Java Developer
• ☑ Junior Java Developer
• ☑ Associate Java Developer
• ☑ Software Developer
• ☑ Software Engineer
• ☑ Java Application Developer
• ☑ Backend Developer – Java
• ☑ Java Programmer
• ☑ Junior Backend Engineer
• ☑ Application Support Engineer
• ☑ Automation Developer
• ☑ Java Test Automation Engineer – Entry Level

Core Java Developer

• ☑ Develop Java-based applications
• ☑ Write clean, maintainable and reusable Java code
• ☑ Implement business logic
• ☑ Work with Object-Oriented Programming concepts
• ☑ Use Java Collections and Generics
• ☑ Handle exceptions and application errors
• ☑ Work with files and external resources
• ☑ Implement multithreaded applications
• ☑ Debug and troubleshoot Java applications
• ☑ Write unit tests
• ☑ Optimize application performance
• ☑ Work with databases using JDBC

Java Backend Developer

• ☑ Develop backend business logic using Java
• ☑ Implement database connectivity
• ☑ Perform CRUD operations
• ☑ Process JSON and structured data
• ☑ Handle application exceptions
• ☑ Implement reusable service components
• ☑ Work with APIs and backend frameworks after Core Java
• ☑ Follow coding and development standards

Software Engineer

• ☑ Analyze technical requirements
• ☑ Design application components
• ☑ Develop and test Java programs
• ☑ Debug application issues
• ☑ Perform code reviews
• ☑ Maintain existing applications
• ☑ Optimize application performance
• ☑ Collaborate with development and QA teams

Basic Computer Knowledge

• ☑ Basic computer operations
• ☑ Files and folders
• ☑ Basic operating-system knowledge
• ☑ Basic command-line knowledge

Programming Fundamentals

No prior Java experience is required.

Basic understanding of programming concepts is helpful:

• ☑ Variables
• ☑ Data types
• ☑ Conditions
• ☑ Loops
• ☑ Functions
• ☑ Basic problem-solving

Recommended

• ☑ Basic understanding of software development
• ☑ Basic database concepts
• ☑ Basic SQL knowledge

No prior professional Java experience is required.

Operating System

Any one of:

• ☑ Windows 10/11
• ☑ Linux / Ubuntu
• ☑ macOS

Java Development Kit

Install:

• ☑ JDK 17 or later
• ☑ Java Runtime Environment
• ☑ Configure JAVA_HOME
• ☑ Configure Java PATH

Recommended training version: Java 17 LTS.

Java IDE

Students can use:

• ☑ IntelliJ IDEA
• ☑ Eclipse IDE
• ☑ Visual Studio Code with Java extensions
• ☑ Spring Tool Suite – optional for later Spring development

Build Tools

• ☑ Apache Maven
• ☑ Gradle – optional

Version Control

• ☑ Git
• ☑ GitHub account
• ☑ GitHub Desktop – optional

Database

Install at least one:

• ☑ MySQL
• ☑ PostgreSQL
• ☑ Oracle Database – optional

Database clients:

• ☑ MySQL Workbench
• ☑ DBeaver
• ☑ pgAdmin – optional

API / Development Tools

• ☑ Postman – recommended
• ☑ cURL
• ☑ Browser developer tools 

By completing this course, students will be able to:

• ☑ Understand Java programming fundamentals
• ☑ Develop object-oriented Java applications
• ☑ Apply encapsulation, inheritance, polymorphism and abstraction
• ☑ Work with Strings and Wrapper classes
• ☑ Use Java Collections effectively
• ☑ Implement Generics
• ☑ Use Java 8 Lambda expressions
• ☑ Work with Stream API
• ☑ Handle exceptions effectively
• ☑ Work with files and Java I/O
• ☑ Build multithreaded applications
• ☑ Work with JDBC and relational databases
• ☑ Write unit tests
• ☑ Debug Java applications
• ☑ Apply clean-code and SOLID principles
• ☑ Build real-world Java applications
• ☑ Prepare for Java developer interviews 

Introduction to Java

• ☑ Introduction to Java
• ☑ History of Java
• ☑ Features of Java
• ☑ Java editions
• ☑ Java applications
• ☑ Java Virtual Machine
• ☑ JDK
• ☑ JRE
• ☑ JVM
• ☑ Java compilation process
• ☑ Bytecode
• ☑ Platform independence

First Java Program

• ☑ Installing JDK
• ☑ Configuring Java environment
• ☑ Writing the first Java program
• ☑ Compiling Java programs
• ☑ Running Java programs
• ☑ javac
• ☑ java
• ☑ JShell

Practical Labs

• ☑ Install and configure JDK
• ☑ Create Java projects
• ☑ Compile and execute Java programs
• ☑ Build basic command-line applications 

Variables

• ☑ Variables
• ☑ Constants
• ☑ Variable declaration
• ☑ Variable initialization
• ☑ Scope of variables
• ☑ Local variables
• ☑ Instance variables
• ☑ Static variables

Data Types

• ☑ Primitive data types
• ☑ byte
• ☑ short
• ☑ int
• ☑ long
• ☑ float
• ☑ double
• ☑ char
• ☑ boolean
• ☑ Reference types

Operators

• ☑ Arithmetic operators
• ☑ Relational operators
• ☑ Logical operators
• ☑ Assignment operators
• ☑ Unary operators
• ☑ Ternary operator
• ☑ Bitwise operators

Type Conversion

• ☑ Implicit conversion
• ☑ Explicit casting
• ☑ Type promotion

Practical Labs

• ☑ Build calculator application
• ☑ Perform type conversions
• ☑ Solve mathematical programming problems 

Conditional Statements

• ☑ if
• ☑ if-else
• ☑ else-if
• ☑ Nested if
• ☑ switch
• ☑ Enhanced switch concepts

Loops

• ☑ for loop
• ☑ while loop
• ☑ do-while loop
• ☑ Nested loops
• ☑ break
• ☑ continue

Arrays

• ☑ One-dimensional arrays
• ☑ Multi-dimensional arrays
• ☑ Array initialization
• ☑ Array traversal
• ☑ Searching arrays
• ☑ Sorting arrays
• ☑ Array manipulation

Practical Labs

• ☑ Number-based programs
• ☑ Pattern programs
• ☑ Array processing programs
• ☑ Searching and sorting programs 

Classes & Objects

• ☑ Introduction to OOP
• ☑ Classes
• ☑ Objects
• ☑ Fields
• ☑ Methods
• ☑ Constructors
• ☑ Default constructors
• ☑ Parameterized constructors

Four Pillars of OOP

• ☑ Encapsulation
• ☑ Inheritance
• ☑ Polymorphism
• ☑ Abstraction

Inheritance

• ☑ Single inheritance
• ☑ Multilevel inheritance
• ☑ Hierarchical inheritance
• ☑ Method overriding
• ☑ super
• ☑ final

Polymorphism

• ☑ Method overloading
• ☑ Method overriding
• ☑ Compile-time polymorphism
• ☑ Runtime polymorphism

Encapsulation

• ☑ Access modifiers
• ☑ Getters and setters
• ☑ Data hiding

Abstraction

• ☑ Abstract classes
• ☑ Abstract methods
• ☑ Interfaces

Practical Labs

• ☑ Employee management application
• ☑ Banking application
• ☑ Library management application 

String Handling

• ☑ String class
• ☑ String immutability
• ☑ String methods
• ☑ String comparison
• ☑ String manipulation

StringBuilder & StringBuffer

• ☑ StringBuilder
• ☑ StringBuffer
• ☑ Mutable strings
• ☑ Performance considerations

Wrapper Classes

• ☑ Integer
• ☑ Long
• ☑ Double
• ☑ Boolean
• ☑ Character
• ☑ Autoboxing
• ☑ Unboxing

Practical Labs

• ☑ String processing programs
• ☑ Text analysis application
• ☑ String manipulation exercises 

Packages

• ☑ Creating packages
• ☑ Importing packages
• ☑ Built-in packages
• ☑ User-defined packages

Access Modifiers

• ☑ public
• ☑ private
• ☑ protected
• ☑ default

Interfaces

• ☑ Interface fundamentals
• ☑ Interface implementation
• ☑ Multiple interface implementation
• ☑ Interface inheritance
• ☑ Default methods
• ☑ Static interface methods

Practical

• ☑ Build a multi-package Java application
• ☑ Implement interface-based architecture 

Exception Fundamentals

• ☑ What is an exception?
• ☑ Error vs Exception
• ☑ Checked exceptions
• ☑ Unchecked exceptions
• ☑ Exception hierarchy

Exception Handling

• ☑ try
• ☑ catch
• ☑ finally
• ☑ throw
• ☑ throws

Custom Exceptions

• ☑ Creating custom exceptions
• ☑ Business exceptions
• ☑ Exception propagation

Best Practices

• ☑ Exception handling strategies
• ☑ Logging exceptions
• ☑ Meaningful error messages
• ☑ Avoiding unnecessary exception handling

Practical Labs

• ☑ Build banking exception handling
• ☑ Create custom business exceptions
• ☑ Implement robust error handling 

Collection Fundamentals

• ☑ Collection Framework
• ☑ List
• ☑ Set
• ☑ Map
• ☑ Queue

List

• ☑ ArrayList
• ☑ LinkedList
• ☑ Vector
• ☑ Stack

Set

• ☑ HashSet
• ☑ LinkedHashSet
• ☑ TreeSet

Map

• ☑ HashMap
• ☑ LinkedHashMap
• ☑ TreeMap
• ☑ Hashtable

Queue

• ☑ Queue
• ☑ PriorityQueue
• ☑ Deque
• ☑ ArrayDeque

Iteration

• ☑ Iterator
• ☑ ListIterator
• ☑ Enhanced for loop

Practical Labs

• ☑ Employee collection management
• ☑ Product inventory application
• ☑ Sorting and filtering collections 

Generics Fundamentals

• ☑ Generic classes
• ☑ Generic methods
• ☑ Generic interfaces
• ☑ Type safety

Advanced Generics

• ☑ Wildcards
• ☑ Upper bounds
• ☑ Lower bounds
• ☑ Bounded types

Practical

• ☑ Create reusable generic classes
• ☑ Implement type-safe collection utilities 

Lambda Expressions

• ☑ Lambda fundamentals
• ☑ Functional interfaces
• ☑ Predicate
• ☑ Consumer
• ☑ Supplier
• ☑ Function

Stream API

• ☑ Stream fundamentals
• ☑ filter
• ☑ map
• ☑ reduce
• ☑ collect
• ☑ sorted
• ☑ distinct
• ☑ limit
• ☑ skip
• ☑ groupingBy
• ☑ partitioningBy

Optional

• ☑ Optional class
• ☑ Avoiding null handling problems
• ☑ Optional best practices

Method References

• ☑ Static method references
• ☑ Instance method references
• ☑ Constructor references

Date & Time API

• ☑ LocalDate
• ☑ LocalTime
• ☑ LocalDateTime
• ☑ ZonedDateTime
• ☑ Date formatting

Practical Labs

• ☑ Employee data processing using Streams
• ☑ Product filtering and grouping
• ☑ Sales data analysis 

File Handling

• ☑ File class
• ☑ Create files
• ☑ Read files
• ☑ Write files
• ☑ Delete files
• ☑ Directory operations

Streams

• ☑ InputStream
• ☑ OutputStream
• ☑ FileInputStream
• ☑ FileOutputStream

Character Streams

• ☑ Reader
• ☑ Writer
• ☑ FileReader
• ☑ FileWriter
• ☑ BufferedReader
• ☑ BufferedWriter

Serialization

• ☑ Serialization
• ☑ Deserialization
• ☑ Serializable interface

NIO

• ☑ Java NIO
• ☑ Path
• ☑ Files
• ☑ Directory operations

Practical Labs

• ☑ File processing application
• ☑ CSV file processing
• ☑ Log file analyzer 

JDBC Fundamentals

• ☑ What is JDBC?
• ☑ JDBC architecture
• ☑ JDBC drivers
• ☑ Database connection

CRUD Operations

• ☑ INSERT
• ☑ SELECT
• ☑ UPDATE
• ☑ DELETE

JDBC Components

• ☑ Connection
• ☑ Statement
• ☑ PreparedStatement
• ☑ ResultSet
• ☑ CallableStatement

Transactions

• ☑ Commit
• ☑ Rollback
• ☑ Transaction management

Best Practices

• ☑ Connection management
• ☑ Prepared statements
• ☑ SQL injection prevention
• ☑ Connection pooling concepts

Practical Project

• ☑ Build a Java + MySQL application
• ☑ Implement complete CRUD functionality
• ☑ Implement transaction management

Debugging

• ☑ Debugging fundamentals
• ☑ Breakpoints
• ☑ Step into
• ☑ Step over
• ☑ Step out
• ☑ Variable inspection
• ☑ Exception debugging

Testing Fundamentals

• ☑ Unit testing concepts
• ☑ JUnit fundamentals
• ☑ Test cases
• ☑ Assertions
• ☑ Test lifecycle
• ☑ Parameterized tests

Code Quality

• ☑ Clean code
• ☑ Naming conventions
• ☑ SOLID principles
• ☑ DRY principle
• ☑ Separation of concerns
• ☑ Code reusability

Practical

• ☑ Write JUnit tests
• ☑ Debug Java applications
• ☑ Refactor poorly written code
• ☑ Apply clean-code principles

🚀 Employee Management System

Students will build a complete Java-based application using the concepts covered throughout the course.

Project Features

• ☑ Employee registration
• ☑ Employee search
• ☑ Employee update
• ☑ Employee deletion
• ☑ Department management
• ☑ Employee salary management
• ☑ File/database persistence
• ☑ Exception handling
• ☑ Collections
• ☑ Java 8 Streams
• ☑ JDBC
• ☑ Multithreading where applicable
• ☑ Unit testing

Project Architecture

Java Application → Business Logic → Collections/Streams → JDBC → MySQL

Additional Project Options

Banking Management System

• ☑ Account creation
• ☑ Deposit
• ☑ Withdrawal
• ☑ Balance enquiry
• ☑ Transaction history
• ☑ Exception handling

Library Management System

• ☑ Book management
• ☑ Member management
• ☑ Issue/return books
• ☑ Search
• ☑ Database integration

Inventory Management System

• ☑ Product management
• ☑ Stock management
• ☑ Supplier management
• ☑ Product search
• ☑ Reporting 

Programming

• ☑ Java
• ☑ Java 8 Features
• ☑ Java 17 LTS

IDE

• ☑ IntelliJ IDEA
• ☑ Eclipse
• ☑ Visual Studio Code

Build Tools

• ☑ Maven
• ☑ Gradle – Optional

Database

• ☑ MySQL
• ☑ PostgreSQL
• ☑ Oracle – Optional

Database Connectivity

• ☑ JDBC

Testing

• ☑ JUnit
• ☑ Mockito – Introduction

Version Control

• ☑ Git
• ☑ GitHub

API Tools

• ☑ Postman
• ☑ cURL

After completing this program, learners will have a strong practical foundation in Core Java programming and backend application development.

Students will be able to design, develop, debug, test and maintain Java applications using industry-standard programming practices.

Final Skill Path

Java Fundamentals → OOP → Collections → Exception Handling → Generics → Java 8 → Streams → File I/O → Multithreading → JDBC → Testing → Real-World Project