Core Java - Digital Computer Classes

Core Java


Core Java serves as the fundamental building block for Java programming language. It encompasses essential concepts such as object-oriented programming (OOP), platform independence, and robustness. Core Java is used to develop standalone applications, desktop GUI applications, and backend server applications. It forms the basis for advanced Java development, including web application development using frameworks like Servlets and JSP.

Course Objectives:

  • Master Java Fundamentals: Understand Java syntax, data types, variables, operators, control structures (loops, conditionals), and methods.
  • Object-Oriented Programming (OOP): Learn key OOP principles such as classes, objects, inheritance, polymorphism, and encapsulation in Java.
  • Exception Handling: Implement exception handling to manage runtime errors effectively in Java applications.
  • File Handling: Read from and write to files using Java I/O classes, including streams and readers/writers.
  • Collections Framework: Utilize Java’s built-in collections (lists, sets, maps, etc.) for data manipulation and organization.
    Multithreading: Develop concurrent Java applications using threads to achieve parallel execution and improve application performance.
  • Networking: Understand networking concepts in Java for developing client-server applications using sockets and APIs like HTTP.
  • GUI Development: Build graphical user interfaces (GUIs) using JavaFX or Swing for desktop applications.
  • Database Connectivity: Connect Java applications to relational databases (MySQL, PostgreSQL, etc.) using JDBC for data manipulation and retrieval.
  • Unit Testing: Implement unit tests using JUnit framework to ensure code reliability and maintainability.

Prerequisite / Target Audience:

This course is designed for beginners and intermediate programmers aiming to become proficient in Java programming. No prior knowledge of Java is required, but familiarity with basic programming concepts such as variables, loops, functions, and conditional statements is recommended. It is suitable for students, professionals, and anyone interested in software development with Java.

Course Modules

  • Introduction to Java Programming
  • Java Development Environment Setup
  • First Java Program: Hello World
  • Basic Syntax and Structure
  • Data Types, Variables, and Constants
  • Operators and Expressions
  • Decision Making with if, if-else, switch
  • Looping with for, while, do-while
  • Break and Continue Statements
  • Understanding Java Packages and Imports
  • Introduction to Object-Oriented Programming (OOP)
  • Classes and Objects
  • Constructors and Methods
  • Encapsulation, Access Modifiers
  • Inheritance
  • Polymorphism: Method Overloading and Overriding
  • Understanding Exceptions in Java
  • try-catch Block
  • Multiple Catch Blocks
  • throw, throws Keywords
  • Custom Exceptions
  • Arrays: Declaration, Initialization, and Manipulation
  • Enhanced for Loop
  • String Class and String Handling
  • StringBuffer and StringBuilder
  • Introduction to Collections
  • ArrayList, LinkedList, HashSet, HashMap
  • Iterators and Enumeration
  • Sorting and Searching
  • Generics
  • Reading and Writing Files in Java
  • Working with Streams
  • Serialization and Deserialization
  • Introduction to Multithreading
  • Creating Threads
  • Synchronization
  • Thread Communication
  • Introduction to JDBC
  • Connecting to Databases
  • Executing Queries
  • Transaction Management
  • Introduction to JavaFX or Swing
  • Creating GUI Components
  • Event Handling
  • Overview of Networking Concepts
  • Working with URLs
  • Socket Programming
  • Mini Project to Apply Core Concepts
  • Code Reviews and Best Practices

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    Core Java refers to the fundamental components and concepts of the Java programming language. It includes essential features such as syntax, data types, control structures, object-oriented programming (OOP), and basic libraries provided by the Java Development Kit (JDK).
    Learning Core Java provides a solid foundation in programming principles and object-oriented concepts. It is widely used in software development for building applications ranging from desktop to enterprise-level systems. Proficiency in Core Java opens doors to opportunities in various industries and lays the groundwork for learning advanced Java technologies.
    Core Java covers fundamental topics such as variables, operators, loops, conditionals, methods, classes, inheritance, polymorphism, encapsulation, exception handling, file handling, collections framework, multithreading, networking, and basic GUI development.
    No prior programming experience is required to start learning Core Java. However, familiarity with basic concepts like variables, loops, and conditional statements can be beneficial. Core Java courses typically cater to beginners and provide a gradual introduction to programming concepts.
    Core Java skills are highly sought after in the software development industry. They enable you to develop robust applications, understand object-oriented design principles, handle data efficiently using collections and databases, and prepare you for advanced Java frameworks and technologies. Proficiency in Core Java enhances your employability for roles ranging from software developer to Java programmer, and positions you well for further specialization in Java-based enterprise solutions.