Third-Party Notices

Interview Answer References

The 2026 summer interview answers added on 2026-08-28 were independently written and checked against these primary references:

Python language reference: Calls and Data model — callable objects, function arguments, closures, and bound methods.
Celery Tasks — task retry, acknowledgement, result backends, and idempotency boundaries.
MyBatis Configuration — environments, mappers, type handlers, transactions, and caches.
React useEffect — setup, cleanup, reactive dependencies, and development Strict Mode behavior.
MDN Server-Sent Events and ReadableStream — browser streaming events, framing, cancellation, and incremental consumption.
RFC 9111: HTTP Caching — freshness, validation, cache directives, and validators.

No upstream prose or examples are reproduced. Version-specific behavior remains subject to the linked projects’ current documentation.

Interview Answer References (2026-09-21)

The additional 2026-09-15 through 2026-09-21 backend interview answers were independently written from public Nowcoder recollections. Framework-specific claims were checked against Spring AI Reference, NVIDIA Nsight Compute Documentation, and NVIDIA Nsight Systems User Guide. No upstream prose or code is reproduced.

Interview Answer References (2026-09-02)

The interview answers added from the 2026-08-29 through 2026-09-02 audit were independently written and checked against these primary references:

Intel SGX EPC oversubscription - protected EPC paging and oversubscribed working-set behavior.
WHATWG Fetch CORS protocol - browser-enforced cross-origin requests and preflight semantics.
Spring BeanFactory and Environment abstraction - IoC container boundaries, ordered property sources, and application configuration.
Apache RocketMQ delay messages - current delayed-delivery lifecycle, limits, persistence, and retry behavior.
Java SE 25 Selector and Oracle G1 GC - NIO readiness selection and collector-specific concurrent-start marking.
Microsoft Windows container isolation and Docker Desktop VMM - process isolation, Hyper-V isolation, and Linux VM backends on Windows.
fio documentation and FastAPI async guidance - reproducible I/O workload parameters and event-loop versus blocking execution boundaries.
React Render and Commit and Preserving and Resetting State - component render/commit phases and state identity in the UI tree.

No upstream prose, code, or benchmark numbers are reproduced. Hardware results and version-specific framework behavior remain subject to the linked documentation.

CheerpJ 4.3

Java 17 runs in the visitor’s browser using CheerpJ Core loaded from the official Leaning Technologies CDN. CheerpJ is used under the CheerpJ Community License; the runtime is not redistributed or self-hosted by this repository.

Project: https://cheerpj.com/
License: https://cheerpj.com/docs/licensing
Runtime: https://cjrtnc.leaningtech.com/4.3/loader.js

Eclipse Compiler for Java 3.42.0

assets/vendor/zero2leetcode-java-runner-20260803.jar contains the Eclipse Compiler for Java (ECJ) 3.42.0 and the Zero2Leetcode browser runner bridge. ECJ is distributed under the Eclipse Public License 2.0. The complete license text is included at LICENSE-EPL-2.0.txt.

Project: https://github.com/eclipse-jdt/eclipse.jdt.core
Source revision: 079cb7d18d40ad6a21f8b5e711366404d56fe71f
License: https://www.eclipse.org/legal/epl-2.0/
Original artifact: https://repo.maven.apache.org/maven2/org/eclipse/jdt/ecj/3.42.0/ecj-3.42.0.jar
Original SHA-256: 29F6D3918EE02DB4400C103BC25DD90A22491C3A395867D9393070CB96A7DD29

Eclipse Temurin 21.0.12+8 / OpenJDK API Signatures

assets/vendor/zero2leetcode-java-runner-20260803.jar contains compile-time Java 17 API signature data derived from lib/ct.sym in Eclipse Temurin 21.0.12+8. The GitHub Pages build uses the Linux x64 JDK. The build extracts the H release entries (Java 17) from every module represented in ct.sym, omits module descriptors, and packages the remaining .sig files for ECJ’s platform class path. These files are compiler signatures only; the Temurin JVM is not embedded or executed by the site.

The Temurin distribution and the derived OpenJDK signature data are provided under the GNU General Public License, version 2, with the Classpath Exception (GPL-2.0 WITH Classpath-exception-2.0). The original Temurin notice, release metadata, GPLv2 with Classpath Exception text, and the complete legal notices for all modules in the source JDK are preserved under third_party/temurin-21.0.12+8/.

Project: https://adoptium.net/temurin/
Release: https://github.com/adoptium/temurin21-binaries/releases/tag/jdk-21.0.12%2B8
CI source archive: OpenJDK21U-jdk_x64_linux_hotspot_21.0.12_8.tar.gz
CI source archive size: 207486543 bytes
CI source archive SHA-256: E4446FF06A276155697597CC0F1B15DA004FF083F4964A35271ECEE567177370
CI checksum record: https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.12%2B8/OpenJDK21U-jdk_x64_linux_hotspot_21.0.12_8.tar.gz.sha256.txt
CI lib/ct.sym size: 10715134 bytes
CI lib/ct.sym SHA-256: 5448AC59687B76A2F2A08F87B59B2DEEAE5CDC904914B5674510114E7ADF84B3
Cross-platform check: all 4692 extracted Java 17 signature entries are byte-identical in the Linux x64 and Windows x64 Temurin archives for this release.
JDK source revision: https://github.com/adoptium/jdk21u/commit/04806bcb1d50b35efc1c22a4d3b082c9a9a47563
Temurin build revision: https://github.com/adoptium/temurin-build/commit/e6ba7dec3d07654074559310376a3ae89da5f4ac
Original notice: NOTICE
Original release metadata: release
Complete module notices: legal/

Interview Answer References (2026-10-07)

The incremental answers from the September 23 through October 7 interview review were independently written using these primary references:

No upstream prose, code, figures, or datasets are reproduced. Protocol and implementation facts are attributed at the relevant answer; architecture, evaluation, and operational recommendations are independent engineering analysis. Public interview links document question provenance only.

Weekly Interview Answer References (2026-10-13)

The answers updated from the October 7–13 interview review were independently written and checked against these primary references:

No upstream prose, code, diagrams, or datasets are reproduced. Interview links establish question provenance; the linked specifications, papers, and official implementations establish answer facts. Architecture, testing, deployment, and evaluation recommendations are independent engineering analysis.

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