Java Data Structures and Workflow Optimization — Lesson 1: Complexity, Arrays, Linked Structures, Stacks, and Queues

Technical Scope

• Big-O reasoning and operation cost
• arrays and dynamic-array behavior
• linked structures and pointer operations
• stacks, queues, deques, and ordering

Instructor Demonstration

Demonstrate Big-O reasoning and operation cost inside a task-routing application whose performance degrades as volume and dependency complexity increase, then capture the exact configuration, command, transaction, report, or code evidence that proves the result.

Applied Workshop

Implement a controlled workshop covering arrays and dynamic-array behavior and linked structures and pointer operations, then test a failure or exception involving stacks, queues, deques, and ordering.

1. Confirm environment, identity, data, dependencies, and expected result.
2. Complete the product-specific implementation or analysis.
3. Capture commands, configuration, output, logs, transactions, or reports.
4. Explain the operational, security, performance, or business trade-off.

Validation Standard

The Complexity, Arrays, Linked Structures, Stacks, and Queues result must be reproducible, traceable to approved inputs, and consistent with the expected Oracle product behavior.

• The intended target and ownership are verified.
• The result is supported by reproducible evidence.
• Security, performance, reliability, and support impact are reviewed.
• Unexpected behavior is investigated before acceptance.

Failure Analysis

Diagnose issues in Big-O reasoning and operation cost, arrays and dynamic-array behavior, linked structures and pointer operations, or stacks, queues, deques, and ordering without making an unverified production change.

Learners isolate the smallest proven cause, apply a reversible correction, rerun validation, and record the preventive action.