Java packages group related classes and interfaces for easier organization. Packages help avoid naming conflicts and control access to types. Default packages should be avoided in real-world applications
Procedures are named subprograms stored in database. Procedures contain declaration, execution and exception handling parts. Can have IN, OUT or IN OUT parameters. Cannot return values through RETURN statement
Model is a group of elements constituting distributable software solution. Model always belongs to a package, which includes models and binaries. Packages can be packaged into deployable packages for runtime environments
Modules break large tasks into smaller, manageable subtasks. Modules enable simplicity, maintainability, and code reusability. Modules create separate namespaces to avoid conflicts
An object is a software bundle of related state and behavior. Objects store state in fields and expose behavior through methods. Data encapsulation hides internal state and requires method-based interaction
Modules are Python files containing definitions and statements. Modules must end with .py extension. Each module has its own private namespace. Modules can import other modules and functions