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Java SE21 Programming

Course outline

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Course Outlines

  • Java Basics
  • History and evolution of Java
  • Setting up the development environment (JDK, IDEs like Eclipse, database, etc.)
  • Writing and running a simple Java program
  • Java syntax and structure (classes, methods, and main method)

Variables and Data Types

  • Primitive data types
  • Variables and constants
  • Type casting and type conversion

Operators and Expressions

  • Arithmetic, relational, and logical operators
  • Operator precedence
  • Expressions and statements

Control Flow Statements

  • Conditional statements (if, else, switch)
  • Looping constructs (for, while, do-while)
  • Break and continue statements

Introduction to OOP Concepts

  • Classes and objects
  • Fields and methods
  • Constructors

Encapsulation and Access Modifiers

  • Private, protected, public, and default access
  • Packages and member access
  • Importing packages
  • Getters and setters

Inheritance

  • Superclasses and subclasses
  • Method overriding
  • The super keyword

Polymorphism

  • Method overloading
  • Runtime polymorphism (dynamic method dispatch)
  • Abstract classes and interfaces

Exception Handling

  • Types of exceptions
  • Try-catch block
  • Throwing exceptions
  • Creating custom exceptions

Collections Framework

  • Introduction to collections (List, Set, Map)
  • ArrayList, LinkedList, HashSet, and HashMap
  • Iterators and enhanced for loop

Generics

  • Introduction to generics
  • Generic classes and methods
  • Bounded types and wildcards

Lambda Expressions and Functional Programming

  • Introduction to lambda expressions
  • Functional interfaces
  • Streams API and method references

Java Input/Output (I/O)

  • Byte streams and character streams
  • File I/O operations
  • BufferedReader, BufferedWriter, FileReader, and FileWriter

Serialization and Deserialization

  • Serializing objects
  • Deserializing objects
  • Transient keyword

Multithreading and Concurrency

  • Introduction to threads
  • Creating and starting threads (Runnable and Thread classes)
  • Thread lifecycle and states

Synchronization and Concurrency Utilities

  • Synchronized methods and blocks
  • Locks and ReentrantLocks
  • Executors framework
  • Concurrent collections (ConcurrentHashMap, CopyOnWriteArrayList)

Networking in Java

  • Sockets and server sockets
  • TCP and UDP communication
  • URL and URLConnection classes

Java Database Connectivity (JDBC)

  • Introduction to JDBC
  • Connecting to a database
  • Executing SQL queries and updates
  • Handling ResultSet

New Features in Java 21

  • Introduction to new features in Java 21
  • Enhanced pattern matching
  • Records and sealed classes
  • Improvements in the concurrency API

Programme scope, delivery arrangements and suitability are confirmed during enquiry.