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Java Programming Intro Course Lecture Notes

Jun 26, 2024

Java Programming Intro Course Notes

Course Overview

  • Course Instructor: Mosh
  • Objective: Learn everything needed to start programming in Java
  • Key Topics: Installation, Java basics, code execution, algorithms, coding tips, clean code

About the Instructor

  • Mosh is a software engineer with 20 years of experience
  • Has a coding school at codewithmosh.com
  • Taught over 3 million people
  • Offers various advanced coding courses

Course Structure

  1. Installation and Setup
    • Download and install JDK (Java Development Kit) from Oracle website
    • Install a code editor; preferred: IntelliJ IDEA (Community edition)
  2. Anatomy of a Java Program
    • Functions: Blocks of code that perform tasks
    • Functions are called methods when inside a class
    • Main Function (entry point of the program)
    • Classes organize functions; utilize Pascal and Camel naming conventions
    • Access Modifiers dictate accessibility (e.g., public, private)
    • Writing clean and professional code
  3. Programming Basics
    • Variables and Constants: Temporary data storage
    • Types: Byte, short, int, long, float, double, char, boolean (Primitive); objects and arrays (Reference)
    • String operations: Length, replace, toLowerCase, toUpperCase, trim
    • Arrays and Multi-dimensional arrays
  4. Control Flow
    • Comparison Operators: >, >=, <, <=, ==, !=
    • Logical Operators: && (and), || (or), ! (not)
    • If-statements for decision making
    • Ternary Operator for simplified conditional assignments
    • Switch Statements for selecting among several options
    • Loops: For, While, Do-While, For-Each – executing code multiple times
  5. Project Implementation
    • Mortgage Calculator Project
    • Use final variables for constants
    • Arithmetic operations, type conversions
    • Error handling using conditional statements and loops
    • Clean Coding Practices: Organizing and improving code structure for readability and maintenance
  6. Advanced Topics
    • Object-Oriented Programming (OOP) concepts
    • Core Java APIs: Application Programming Interface
    • Advanced Java Features: Streams, Threads, Database programming

Tools and Software

  • Dashlane (password manager, VPN)
  • IntelliJ IDEA (preferred code editor)
  • JDK (Java Development Kit)
  • Scanner class for reading user input

Final Notes

  • Course aims to provide a solid foundation in Java
  • Follow Mosh’s courses for advanced topics and certifications
  • Clean coding practices focus on writing readable and maintainable code

Summary

The course is structured to start with the basics of Java installation and setup, followed by an in-depth look at the anatomy of a Java program, including programming basics like variables, operators, arrays, and control flow statements. The course culminates in a project implementation phase where practical skills are applied, emphasizing clean coding practices for better code maintainability.

Full transcript