A comprehensive interview question & answer matrix for a Java Backend Developer, organized by technology across three candidate levels: Junior · Senior · Architect.
Each technology page contains its own questions. Every question provides:
Question — a scenario- or concept-based question matched to the level
Expected Depth — what the answer must cover to pass
Ideal Answer — bulleted, precise technical response with code snippets
Red Flags — answers that signal a lack of depth for that level
Start from index.html for a browsable view with a table of contents and copyable code panels.