name	java-dev
description	Java development. Use for Java, Spring Boot, Maven, Gradle, JPA, Hibernate.
user-invocable	true
allowed-tools	Glob, Read, Grep, Bash, Task, Skill, Edit, Write, AskUserQuestion

Java Development

Announce: "I'm using the java-dev skill. Following the 4-phase workflow."

MANDATORY: Read and Follow the Shared Workflow

You MUST read workflow.md NOW and follow ALL 4 phases defined there. The sections below provide Java-specific inputs for each phase.

Read patterns.md during Phase 1.

If you lost workflow.md from context: Re-read ../../shared/workflow.md NOW before continuing.

Java-Specific Configuration

Verification Commands (Phase 1 plan + Phase 3 verify)

WORKFLOW STATE Verification line: mvn test / gradle test, mvn compile / gradle build

Phase 3 Tier A commands:

mvn test or gradle test — run tests
mvn compile or gradle build — compilation check
Check for compiler warnings

Phase 3 Tier B additional MCP verifications:

PostgreSQL MCP → Query DB state before/after
Legacy DB MCP → Query legacy databases for data verification

Implementation Rules (Phase 3)

Data carrier structure — Records with CRUD variants per entity (CreateRequest/UpdateRequest/Response), domain-driven packages, composition over deep inheritance
Minimize complexity — efficient streams, HashMap lookups over list scans
Preserve compatibility — Overloaded methods for new params, @JsonProperty for renamed fields, @Deprecated before removal

Staff Review Configuration (Phase 4)

Patterns file path: Path to this skill's patterns.md

Java-Specific Rules

The compiler catches type errors, not logic bugs or concurrency issues — verification is still mandatory
Understand Spring Boot auto-configuration before relying on it
No positive claim without running mvn test or gradle test

Quality Checklist (Java-Specific)

Add these to the shared workflow's verification checklist:

Using Java 21+ features (var, records, switch expressions, pattern matching)
Records used for immutable data carriers
Constructor injection for all dependencies
No raw types — generics used properly
Build succeeds without warnings
mvn test or gradle test passes
No compiler warnings

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name	java-dev
description	Java development. Use for Java, Spring Boot, Maven, Gradle, JPA, Hibernate.
user-invocable	true
allowed-tools	Glob, Read, Grep, Bash, Task, Skill, Edit, Write, AskUserQuestion

Java Development

Announce: "I'm using the java-dev skill. Following the 4-phase workflow."

MANDATORY: Read and Follow the Shared Workflow

You MUST read workflow.md NOW and follow ALL 4 phases defined there. The sections below provide Java-specific inputs for each phase.

Read patterns.md during Phase 1.

If you lost workflow.md from context: Re-read ../../shared/workflow.md NOW before continuing.

Java-Specific Configuration

Verification Commands (Phase 1 plan + Phase 3 verify)

WORKFLOW STATE Verification line: mvn test / gradle test, mvn compile / gradle build

Phase 3 Tier A commands:

mvn test or gradle test — run tests
mvn compile or gradle build — compilation check
Check for compiler warnings

Phase 3 Tier B additional MCP verifications:

PostgreSQL MCP → Query DB state before/after
Legacy DB MCP → Query legacy databases for data verification

Implementation Rules (Phase 3)

Data carrier structure — Records with CRUD variants per entity (CreateRequest/UpdateRequest/Response), domain-driven packages, composition over deep inheritance
Minimize complexity — efficient streams, HashMap lookups over list scans
Preserve compatibility — Overloaded methods for new params, @JsonProperty for renamed fields, @Deprecated before removal

Staff Review Configuration (Phase 4)

Patterns file path: Path to this skill's patterns.md

Java-Specific Rules

The compiler catches type errors, not logic bugs or concurrency issues — verification is still mandatory
Understand Spring Boot auto-configuration before relying on it
No positive claim without running mvn test or gradle test

Quality Checklist (Java-Specific)

Add these to the shared workflow's verification checklist:

Using Java 21+ features (var, records, switch expressions, pattern matching)
Records used for immutable data carriers
Constructor injection for all dependencies
No raw types — generics used properly
Build succeeds without warnings
mvn test or gradle test passes
No compiler warnings