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      Java Building Block




      1. Understanding the Java Class Structure
        Fields and Methods
        Comments
        Classes vs. Files
        Writing a main() Method


      2. understanding Package Declaration and Imports
        Wildcards
        Redundant Imports
        Naming Conflicts
        Creating a New Package
        Code Formatting on the Exam


      3. Creating Objects
        Constructors
        Reading and Writing Object Fields
        Instance Initializer Blocks
        Order of Initiliazation


      4. Distinguishing Between Objects Reference and Primitives
        Primitive Types
        Reference Types
        Key Types


      5. Declaring and Initializing variables
        Declaring Multiple Variables
        Identifiers


      6. Understanding Defaults Initialization of Variables
        Local Variables
        Instance and Class Variable
        Understanding Variable Scope
        Ordering Elements in a Class
        Destroying Objects
        Garbage Collection