Learning Plan

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Java programming language manufacturing purpose:

• Developing applications with high fluctuating loads in nature that will be deployed later on backend servers

• Mobile applications development

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Open lessons by order, then check the added links to start on.

Happy learning 😉

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Lessons:

• Lesson 1

  • Overview
  • Hello world to Java

• Lesson 2

  • Data types
    • Variables
    • Non-Primitive data types
    • Type casting

• Lesson 3

  • Operators
    • Arithmetic
    • Comparison
    • Logical

• Lesson 4

  • Flow of control
    • Conditionals (if, if-else, switch)
      • if, if-else
      • switch
    • Loops (while, do-while, for)
      • while, do-while
      • for
      • break and continue

• Lesson 5

  • Arrays
    • Loop through an array
    • Multidimensional arrays

• Lesson 6

  • Methods (Functions)
    • Parameters and Arguments

• Lesson 7

  • Classes/Objects
  • Constructors

• Lesson 8

  • Object Oriented Programming AKA Modeling real world problems into mental models which will be translated later into Java code
    • Concepts:
      • Abstraction,
      • Inheritance,
      • Polymorphism,
        • Overloading and Overriding
      • Encapsulation
        • Access modifiers
        • Class attributes
        • Class methods
  • Software engineering [Class diagram]

• Lesson 9

  • Collections
    • ArrayList
    • HashSet
    • HashMap
    • Iterator
    • Comparing Objects

• Lesson 10

  • Exceptions Handling

• Lesson 11

  • Generics
  • Wrapper classes

• Lesson 12

  • Regular Expressions
    • Usage in Java

• Lesson 13

  • Packages

• Lesson 14

  • Enums

• Lesson 15

  • OS topics about files handling:
    • What is a file?
    • What is a file format?
    • What is a file extension?
  • File handling using programming:
    • Java Files
    • Java Create/Write Files
    • Java Read Files
    • Java Delete Files

• Lesson 16

  • Comments
  • Reserved keywords

• Lesson 17

  • Memory management
    • What is the GC?
    • What is the stack?
    • What is the heap?

• Lesson 18

  • List of unicode characters
  • What is an annotation?

• Lesson 19

  • Why we need to use main method/function to run the application ?
    • Java Section => Just ignore others and focus on Java one while reading but don't skip the introduction to understand more details regarding the application's entry point
    • Example in action

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