Learn MODULA3 with Real Code Examples
Updated Nov 21, 2025
Architecture
Modules encapsulate code and data
Objects implement interfaces
Memory managed by garbage collector
Concurrency primitives for threads and monitors
Applications linked via module interfaces
Rendering Model
Modules compiled into native binaries
Objects and interfaces provide encapsulation
Garbage collector manages memory automatically
Concurrency primitives control thread execution
Exception handling ensures safe runtime behavior
Architectural Patterns
Modular programming
Object-oriented programming
Exception-driven error handling
Monitor-based concurrency
Layered module dependencies
Real World Architectures
Modular server applications
Compiler and language toolchains
Concurrent network simulations
Educational modular programming systems
Legacy research projects and experiments
Design Principles
Safety via strong typing and garbage collection
Modular programming via interface and implementation separation
Readable and maintainable syntax
Concurrent programming support
Object-oriented constructs for abstraction
Scalability Guide
Use modules and interfaces for large projects
Leverage object-oriented abstractions
Design concurrency to avoid bottlenecks
Reuse library modules to minimize duplication
Profile and optimize memory-intensive modules
Migration Guide
Port modular Pascal or Modula-2 code to Modula-3
Use interfaces to separate API and implementation
Refactor unsafe memory usage to leverage GC
Update concurrency logic to use monitors
Modularize large codebases into multiple modules