Introduction to Java provides participants with a practical foundation in Java programming and object-oriented application development. The training covers Java syntax, control structures, arrays, classes, inheritance, polymorphism, exception handling, multithreading, and database connectivity using JDBC. Through hands-on exercises, participants will develop the skills needed to create and understand robust Java applications.
Duration: 5 days – 35 hrs.
Overview
Learning Objectives
- Write, compile, and execute a Java program using the Eclipse IDE
- Create programs that make use of Object- Oriented Programming concepts such as inheritance and polymorphism
- Use Java’s exception handling framework
- Write parallel-processing applications through multi-threading
- Access databases using JDBC
Audience
- Aspiring Java Developers: Individuals who want to build a strong foundation in Java programming and begin a career in software development.
- Software Developers: Developers who want to strengthen their Java programming and object-oriented development skills.
- Application Developers: Professionals interested in creating robust, maintainable, and object-oriented applications using Java.
- IT Professionals: IT professionals who want to expand their programming skills and add Java development to their technical expertise.
- Students and Programming Learners: Students and individuals with programming experience who want to learn Java and understand its core development concepts.
- Career Changers: Professionals transitioning into software development who want to develop practical Java programming skills.
- Java Certification Candidates: Individuals preparing to pursue Java-related certifications and looking to strengthen their understanding of Java fundamentals and programming concepts.
- Web and Android Developers: Developers interested in expanding their programming knowledge and exploring Java-based application development.
Pre- requisites
- . Prior structured programming experience is required.
Course Content
The Java Platform
- What is Java?
- Java Virtual Machine
- Java Development Process
- Java SE, EE, and ME
Java Development Overview
- Writing Your First Java Application
- Compiling and Running Java Programs
- The Eclipse IDE
Java Language Fundamentals
- Elements of a Java Program
- Identifiers
- Literals and Data Types
- Operators
Getting User Input
- Using Scanner
- Using JOptionPane
Control Flow Structures
- Decision Control – if, if-else, switch
- Repetition Control – for, while, do-while
- Transfer of Control – continue, break
Java Arrays
- Declaring Arrays
- Creating Arrays
- Accessing Array Elements
- Determining the Number of Elements in an Array
- Creating Multi-Dimensional Arrays
- Command-line Arguments
Object Oriented Programming Concepts
- Basic OOP Concepts
- Understanding Classes
- Declaring Object References
- Creating Objects
- Accessing Methods
- Accessing Static Methods
- Accessing Attributes
- Passing by Value vs Reference
- Comparing Objects
Essential Java Classes
- The Object Class
- The Math Class
- String and StringBuilder
- Wrapper Classes
- The System Class
- Using ArrayList
- Using HashMap
- Generics
- Generating Random Numbers
- Formatting Numbers
- Formatting Dates
Creating Your Own Classes
- Declaring Classes
- Declaring Attributes
- Declaring Methods
- THE This reference
- Method overloading
- Constructors
- Finalizers
- Creating Enum Types
- Importing and Creating Packages
Inheritance, Interfaces, and Polymorphism
- Reusing Code by Inheritance Creating Abstract classes
- Creating Abstract Methods
- Creating Final Classes
- Creating Final Methods
- Creating Final Attributes
- Declaring and implementing Interfaces
- Understanding Polymorphism
- Member Visibility – private, protected, public
Exception Handling
- Defining Exceptions
- Catching Exceptions using try-catch
- Understanding the finally Block
- Throwing Exceptions
- Creating Your Own Exception Types
Multi-Threading
- Creating Threads
- Controlling Threads
- Understanding Thread Priorities
- Avoiding Race Conditions
- Thread Synchronization
Inner Classes, Anonymous Inner Classes, Lambdas
- Inner Classes
- Method Local Inner Classes
- Anonymous Inner Classes
- Functional Interfaces
- Lambda Expressions
Accessing Databases Using JDBC
- Components of a JDBC application
- Connecting to a Database
- Retrieving and Processing Data
- Preventing SQL Injection Using Prepared Statement
- Inserting, Updating, and Deleting Data
