Programming Concepts Beginner

What is Debugging?

The process of finding and fixing errors (bugs) in software code to ensure correct program behavior.

Debugging is a systematic process: reproduce the bug, isolate the cause, fix the code, and verify the fix. Techniques include print/log statements, interactive debuggers (breakpoints, step-through), and rubber duck debugging (explaining the problem aloud).

Modern IDEs provide powerful debugging tools with variable inspection, call stacks, and conditional breakpoints. Logging frameworks (with levels like DEBUG, INFO, WARN, ERROR) help track issues in production.

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A programming technique where a function calls itself to solve a problem by breaking it into smaller subproblems.

DRY (Don't Repeat Yourself)

A software development principle that aims to reduce code duplication by abstracting common patterns into reusable components.

Garbage Collection

An automatic memory management process that identifies and reclaims memory no longer in use by a program.

Two memory regions: the stack stores function call data with automatic cleanup, while the heap stores dynamically allocated objects.

The practice of designing application programming interfaces that are consistent, intuitive, and maintainable for developers to consume.

A software development methodology that emphasizes iterative development, collaboration, and rapid response to change.

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