Java SE 21 Programming Training

Prior experience with any programming language or basic knowledge of Java is recommended.

By the end of this training, you will have gained knowledge and skills in the following areas:

• Apply Java syntax and language rules,

• Develop Java applications using object-oriented programming principles,

• Develop, test, debug, and maintain Java applications,

• Work with dates, times, text, and numeric data using Java APIs,

• Create concurrent, multithreaded, and asynchronous Java programs,

• Use JDBC for database connectivity and develop secure Java applications,

• Deploy Java applications in cloud-based environments.

🔹 1. Introduction to Java

• Overview of the Java language and ecosystem

• OOP principles: class, object, encapsulation, inheritance

• Working with Java APIs and keywords

• Java syntax, naming standards, compiling and running programs

🔹 2. Primitive Types, Operators, and Flow Control

• Java primitives and operators

• if/else, switch, and ternary expressions

• Interactive testing using JShell

🔹 3. Text, Date, Time, and Numeric Data

• String manipulation, indexing, and text blocks

• Managing dates and times with the Local Date-Time API

• Performing precise calculations using BigDecimal

🔹 4. Classes and Objects

• Modeling with UML

• Creating and designing Java classes and objects

• Using IntelliJ IDE for development

🔹 5. Advanced Class Design

• Method overloading and constructors

• Encapsulation and using enums

• Memory management and parameter passing

🔹 6. Inheritance and Java Records

• Inheritance and polymorphism concepts

• Abstract, final, and sealed classes

• Working with Java records and pattern matching

🔹 7. Interfaces and Generics

• Defining and implementing interfaces

• Using generics for type safety

• Functional interfaces and lambda expressions

• Examples using Comparable, Comparator, Cloneable

🔹 8. Arrays and Loops

• Declaring and initializing arrays

• Using for, while, and do-while loops

• Nested loops and loop controls: break, continue

🔹 9. Collections

• Java Collection API: List, Set, Deque, Map

• Managing contents and concurrent collections

• Introduction to legacy collection types

🔹 10. Nested Classes and Lambdas

• Types of nested classes: static, inner, local, anonymous

• Lambda expressions and method references

• Default and static methods in functional interfaces

🔹 11. Java Stream API

• Processing data with the Stream API

• Filtering, mapping, reducing data

• Parallel stream performance optimization

🔹 12. Exception Handling, Logging, and Debugging

• Exception handling and custom exceptions

• Logging errors with Java Logging API

• Debugging strategies and using assertions

🔹 13. Java I/O API

• Reading and writing binary and character data

• Working with files and file systems (NIO)

• Serialization and securing sensitive data

🔹 14. Concurrency and Multithreading

• Thread management and concurrency fundamentals

• Executing concurrent tasks with ExecutorService

• Locking mechanisms and thread safety practices

🔹 15. Modules and Deployment

• Modular programming in Java (module-info.java)

• Compiling, packaging, and deploying Java apps (JARs)

• Creating custom runtime images using jlink

🔹 16. Advanced Topics and Specializations

• JDBC database connectivity and SQL operations

• Java security essentials and best practices

• Advanced generics patterns

• Deploying Java apps to Oracle Cloud