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<!DOCTYPE html>
<html lang="pt-BR">
<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Java Migration & Modernization - DeepMind/Quarks Docs</title>
 <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap" rel="stylesheet">
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 /* ==========================================================================
 NOVA CSS QUARKS & DEEPMIND THEME VARIABLES
 ========================================================================== */
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 RESET & GLOBAL
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 /* ==========================================================================
 TYPOGRAPHY (DeepMind Style)
 ========================================================================== */
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 /* ==========================================================================
 LAYOUT
 ========================================================================== */
 .layout {
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 /* Main Content */
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 /* ==========================================================================
 COMPONENTS (Nova Quarks)
 ========================================================================== */
/* Hero Section */
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 background: var(--bg-panel);
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 box-shadow: var(--glow-cyan);
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 /* Responsive */
 @media (max-width: 900px) {
 .layout { grid-template-columns: 1fr; }
 .sidebar { display: none; } /* Simplified for mobile */
 .content { padding: 2rem; }
 h1 { font-size: 2rem; }
 }
 </style>
</head>
<body>
<div class="layout">
 <!-- Sidebar Navigation -->
 <aside class="sidebar">
 <div class="sidebar-brand">Research x Quarks</div>
 <ul class="toc-list">
 <li><a href="#hero">🏆 Hackathon Submission</a></li>
 <li><a href="#overview">📋 Visão Geral</a></li>
 <li><a href="#results">🎯 Resultados Alcançados</a></li>
 <li><a href="#deliverables">📦 Entregas Completas</a></li>
 <li><a href="#how-to-test">🚀 Como Testar</a></li>
 <li><a href="#comparison">📊 Comparativo</a></li>
 <li><a href="#technologies">🎓 Tecnologias Utilizadas</a></li>
 <li><a href="#structure">📚 Estrutura do Projeto</a></li>
 <li><a href="#learnings">🎯 Aprendizados Principais</a></li>
 <li><a href="#links">🔗 Links Úteis & Contato</a></li>
 </ul>
 </aside>
<!-- Main Content -->
 <main class="content">
<!-- Hero Section -->
 <section id="hero" class="hero">
 <h1>Java Migration and Modernization Hackathon</h1>
 <p style="font-size: 1.2rem; color: var(--text-muted); margin-top: 1rem;">
 Complete Implementation of the IBM Bob AI-assisted migration.
 </p>
<div class="status-badges">
 <span class="badge">☕ Java 25</span>
 <span class="badge">🌱 Spring Boot 3.4.0</span>
 <span class="badge">⚛️ Quarkus 3.x</span>
 <span class="badge complete">✔️ Status: Complete</span>
 </div>
<p style="margin-top: 1rem;">
 <strong>Participante:</strong> Armando Takashi Sato<br>
 <strong>Data:</strong> 30 de Abril de 2026<br>
 <strong>Email:</strong> armandotakashisato@gmail.com
 </p>
<a href="https://github.com/sousatofactory/java-migration-modernization-bob" target="_blank" class="btn-quark">
 <svg width="24" height="24" viewBox="0 0 24 24" fill="white" xmlns="http://www.w3.org/2000/svg">
 <path fill-rule="evenodd" clip-rule="evenodd" d="M12 2C6.477 2 2 6.477 2 12C2 16.418 4.865 20.166 8.839 21.486C9.339 21.578 9.52 21.272 9.52 21.011C9.52 20.781 9.511 20.158 9.506 19.324C6.726 19.928 6.14 17.986 6.14 17.986C5.685 16.831 5.031 16.525 5.031 16.525C4.125 15.906 5.1 15.918 5.1 15.918C6.101 15.988 6.627 16.945 6.627 16.945C7.516 18.467 8.955 18.027 9.539 17.771C9.629 17.11 9.896 16.67 10.191 16.42C7.973 16.168 5.64 15.311 5.64 11.458C5.64 10.358 6.033 9.458 6.666 8.751C6.564 8.499 6.216 7.472 6.764 6.082C6.764 6.082 7.6 5.814 9.497 7.098C10.292 6.877 11.144 6.767 11.992 6.763C12.839 6.767 13.691 6.877 14.488 7.098C16.384 5.814 17.218 6.082 17.218 6.082C17.768 7.472 17.42 8.499 17.318 8.751C17.953 9.458 18.343 10.358 18.343 11.458C18.343 15.323 16.006 16.164 13.78 16.411C14.148 16.728 14.478 17.356 14.478 18.324C14.478 19.712 14.465 20.835 14.465 21.011C14.465 21.275 14.644 21.583 15.152 21.485C19.122 20.163 22 16.416 22 12C22 6.477 17.523 2 12 2Z"/>
 </svg>
 Acessar Repositório no GitHub
 </a>
 </section>
<!-- Visão Geral -->
 <section id="overview">
 <h2>📋 Visão Geral</h2>
 <p>Este repositório contém a implementação completa do <em>IBM Bob Java Migration and Modernization Hackathon</em>, demonstrando expertise nas seguintes verticais tecnológicas:</p>
 <ul>
 <li>✅ Migração de versões Java (17 → 25)</li>
 <li>✅ Modernização de frameworks (EJB → Quarkus)</li>
 <li>✅ Aplicação de features modernas da linguagem Java</li>
 <li>✅ Criação de Agent Skills reutilizáveis (AI/LLM auto aprendizado)</li>
 <li>✅ Arquitetura cloud-native</li>
 </ul>
 </section>
<!-- Resultados Alcançados -->
 <section id="results">
 <h2>🎯 Resultados Alcançados</h2>
 <div class="grid-cards">
 <div class="card">
 <h3>⚡ Performance</h3>
 <ul>
 <li><strong>10x mais rápido:</strong> Startup &lt;1s vs ~10s</li>
 <li><strong>3x menos memória:</strong> 50-80 MB vs 200-300 MB</li>
 <li><strong>3x menor:</strong> Container 150 MB vs 500 MB</li>
 </ul>
 </div>
 <div class="card">
 <h3>💎 Qualidade de Código</h3>
 <ul>
 <li><strong>60% menos código:</strong> Com Java Records</li>
 <li><strong>Legibilidade:</strong> Text Blocks aplicados</li>
 <li><strong>Cloud-native:</strong> Pronto para Kubernetes</li>
 <li><strong>Cliente simplificado:</strong> HTTP vs JNDI/IIOP</li>
 </ul>
 </div>
 </div>
 </section>
<!-- Entregas Completas -->
 <section id="deliverables">
 <h2>📦 Entregas Completas</h2>
<h3>Código Java (11 arquivos)</h3>
 <p><strong>Step 2 - Java Migration:</strong></p>
 <ul>
 <li><code>pom.xml</code> - Java 25, Spring Boot 3.4.0</li>
 <li><code>Hero.java</code> - Migrado para jakarta.*</li>
 <li><code>HeroClassicJpaRepository.java</code> - jakarta.* + Text Blocks</li>
 <li><code>NewHeroModel.java</code> - Convertido para Record</li>
 <li><code>HeroController.java</code> - Atualizado para Records</li>
 </ul>
<p><strong>Step 3 - EJB Modernization:</strong></p>
 <ul>
 <li><code>CalculatorService.java</code> - Lógica de negócio (@ApplicationScoped)</li>
 <li><code>CalculatorResource.java</code> - REST API (substitui Remote EJB)</li>
 <li><code>CalculationRequest/Response.java</code> - DTOs usando Records</li>
 <li><code>Error/HealthResponse.java</code> - DTOs reestruturados</li>
 </ul>
<h3>Documentação (8 arquivos - 2,151 linhas)</h3>
 <ul>
 <li><code>HACKATHON_SUBMISSION.md</code> (329 linhas) ⭐</li>
 <li><code>HANDS_ON_GUIDE.md</code> (398 linhas)</li>
 <li><code>QUICK_START.md</code> (189 linhas)</li>
 <li><code>MIGRATION_SUMMARY.md</code> (175 linhas)</li>
 <li><code>EJB_TO_QUARKUS_GUIDE.md</code> (450 linhas)</li>
 <li><code>MODERNIZATION_COMPLETE.md</code> (329 linhas)</li>
 <li><code>SKILL.md</code> (96 linhas)</li>
 <li><code>TEST_APPLICATIONS.ps1</code> (185 linhas)</li>
 </ul>
 </section>
<!-- Como Testar -->
 <section id="how-to-test">
 <h2>🚀 Como Testar</h2>
<h3>Opção 1: Script Interativo (Recomendado)</h3>
<pre><code>cd java-migration-modernization-bob
.\TEST_APPLICATIONS.ps1</code></pre>
<h3>Opção 2: Teste Manual</h3>
<pre><code># Step 2 - Spring Boot Application:
cd step-2/testcontainers-spring-boot
mvn clean install
mvn spring-boot:run
# Step 3 - Quarkus Application:
cd step-3/modernization-ejb-stateless
mvn quarkus:dev
# Testar Calculator API (PowerShell):
Invoke-RestMethod -Uri "http://localhost:8080/calculator/add" `
 -Method Post `
 -ContentType "application/json" `
 -Body '{"a": 5, "b": 3}'
# Resposta esperada: {"result": 8}</code></pre>
 </section>
<!-- Comparativo -->
 <section id="comparison">
 <h2>📊 Comparativo: Antes vs Depois</h2>
 <table>
 <thead>
 <tr>
 <th>Métrica</th>
 <th>Antes (EJB)</th>
 <th>Depois (Quarkus)</th>
 <th>Melhoria</th>
 </tr>
 </thead>
 <tbody>
 <tr>
 <td>Startup Time</td>
 <td>~10-15 segundos</td>
 <td>&lt;1 segundo</td>
 <td style="color: #10b981;">10x</td>
 </tr>
 <tr>
 <td>Memória (RSS)</td>
 <td>~200-300 MB</td>
 <td>~50-80 MB</td>
 <td style="color: #10b981;">3x</td>
 </tr>
 <tr>
 <td>Container</td>
 <td>~500 MB</td>
 <td>~150 MB</td>
 <td style="color: #10b981;">3x</td>
 </tr>
 <tr>
 <td>Protocolo</td>
 <td>IIOP (porta 2809)</td>
 <td>HTTP/REST (porta 8080)</td>
 <td style="color: var(--quark-cyan);">Simplificado</td>
 </tr>
 <tr>
 <td>Cliente</td>
 <td>JNDI lookup complexo</td>
 <td>HTTP simples</td>
 <td style="color: var(--quark-cyan);">Muito mais simples</td>
 </tr>
 <tr>
 <td>Código (Model)</td>
 <td>37 linhas</td>
 <td>14 linhas (Record)</td>
 <td style="color: #10b981;">60% redução</td>
 </tr>
 </tbody>
 </table>
 </section>
<!-- Tecnologias -->
 <section id="technologies">
 <h2>🎓 Tecnologias Utilizadas</h2>
 <div class="grid-cards">
 <div class="card">
 <h3>Java Features Modernas</h3>
 <ul>
 <li><strong>Records (Java 16+):</strong> Eliminação de boilerplate</li>
 <li><strong>Text Blocks (Java 15+):</strong> Melhor legibilidade</li>
 <li><strong>var (Java 10+):</strong> Inferência de tipos</li>
 <li><strong>Jakarta EE 9+:</strong> Namespace moderno</li>
 </ul>
 </div>
 <div class="card">
 <h3>Frameworks & Tools</h3>
 <ul>
 <li><strong>Spring Boot 3.4.0:</strong> Framework moderno</li>
 <li><strong>Quarkus 3.x:</strong> Cloud-native runtime</li>
 <li><strong>Maven:</strong> Build automation</li>
 <li><strong>IBM Bob:</strong> AI-assisted development</li>
 </ul>
 </div>
 </div>
 </section>
<!-- Estrutura do Projeto -->
 <section id="structure">
 <h2>📚 Estrutura do Projeto</h2>
<pre><ul class="tree-list">
<li>java-migration-modernization-bob/</li>
<li>├── README.adoc</li>
<li>├── <span style="color: var(--quark-cyan)">HACKATHON_SUBMISSION.md ⭐</span></li>
<li>├── HANDS_ON_GUIDE.md</li>
<li>├── QUICK_START.md</li>
<li>├── TEST_APPLICATIONS.ps1</li>
<li>│</li>
<li>├── step-1/ <span style="color: var(--text-muted)">(Setup IBM Bob)</span></li>
<li>│ └── register-install.adoc</li>
<li>│</li>
<li>├── step-2/ <span style="color: var(--text-muted)">(Java 17 → 25 Migration)</span></li>
<li>│ ├── update-java.adoc</li>
<li>│ └── testcontainers-spring-boot/</li>
<li>│ ├── MIGRATION_SUMMARY.md</li>
<li>│ ├── .bob/skills/java-migration/SKILL.md</li>
<li>│ ├── pom.xml <span style="color: var(--text-muted)">(Java 25, Spring Boot 3.4.0)</span></li>
<li>│ └── src/main/java/.../</li>
<li>│ ├── Hero.java <span style="color: var(--text-muted)">(jakarta imports)</span></li>
<li>│ ├── HeroClassicJpaRepository.java <span style="color: var(--text-muted)">(text blocks)</span></li>
<li>│ ├── NewHeroModel.java <span style="color: var(--text-muted)">(record)</span></li>
<li>│ └── HeroController.java <span style="color: var(--text-muted)">(updated)</span></li>
<li>│</li>
<li>└── step-3/ <span style="color: var(--text-muted)">(EJB → Quarkus Modernization)</span></li>
<li> ├── convert.adoc</li>
<li> ├── EJB_TO_QUARKUS_GUIDE.md</li>
<li> └── modernization-ejb-stateless/</li>
<li> ├── MODERNIZATION_COMPLETE.md</li>
<li> └── src/main/java/org/acme/calculator/</li>
<li> ├── CalculatorService.java</li>
<li> ├── CalculatorResource.java</li>
<li> ├── CalculationRequest.java</li>
<li> ├── CalculationResponse.java</li>
<li> ├── ErrorResponse.java</li>
<li> └── HealthResponse.java</li>
</ul></pre>
 </section>
<!-- Aprendizados -->
 <section id="learnings">
 <h2>🎯 Aprendizados Principais</h2>
<div class="card" style="margin-bottom: 1rem;">
 <h3 style="color: var(--text-heading)">1. Migração Incremental</h3>
 <p><em>"Modernize One Slice, Not the Whole Empire."</em> Migrar build/dependências primeiro, depois aplicar features modernas, testando a cada passo.</p>
 </div>
<div class="card" style="margin-bottom: 1rem;">
 <h3 style="color: var(--text-heading)">2. Records Transformam Produtividade</h3>
 <p>Antes: 37 linhas de boilerplate. Depois: 14 linhas com Record. Impacto direto: 60% menos código e muito mais legível.</p>
 </div>
<div class="card" style="margin-bottom: 1rem;">
 <h3 style="color: var(--text-heading)">3. Quarkus é Game Changer</h3>
 <p>Startup 10x mais rápido e memória 3x menor. Developer Experience enriquecida com Hot reload e Dev UI, focado 100% em ser Cloud-Native.</p>
 </div>
<div class="card" style="margin-bottom: 1rem;">
 <h3 style="color: var(--text-heading)">4. Agent Skills Aceleram Desenvolvimento</h3>
 <p>Uso de motores de I.A e LLMs para criar patterns reutilizáveis, garantindo consistência na equipe e reduzindo prompts repetitivos.</p>
 </div>
 </section>
<!-- Links e Footer -->
 <section id="links" style="border-top: 1px solid var(--border-glass); padding-top: 3rem; margin-top: 4rem;">
 <h2>🔗 Links Úteis & Contato</h2>
 <ul>
 <li><strong>Repositório Original:</strong> <a href="https://github.com/lordofthejars/java-migration-modernization-bob" target="_blank">Lord of the Jars Repo</a></li>
 <li><strong>Artigo Avançado:</strong> <a href="https://www.the-main-thread.com/p/java-agent-skills-kit" target="_blank">Java Agent Skills Kit</a></li>
 <li><strong>Quarkus Guides:</strong> <a href="https://quarkus.io/guides/" target="_blank">Quarkus.io</a></li>
 <li><strong>Java Records:</strong> <a href="https://docs.oracle.com/en/java/javase/17/language/records.html" target="_blank">Oracle Docs</a></li>
 </ul>
<div style="background: var(--bg-panel); padding: 1.5rem; border-radius: 8px; margin-top: 2rem;">
 <p><strong>Participante:</strong> Armando Takashi Sato</p>
 <p><strong>Email:</strong> <a href="mailto:armandotakashisato@gmail.com">armandotakashisato@gmail.com</a></p>
 <p><strong>GitHub:</strong> <a href="https://github.com/sousatofactory" target="_blank">sousatofactory</a></p>
 </div>
<p style="text-align: center; margin-top: 3rem; color: var(--text-muted); font-size: 0.9rem;">
 📄 Licença: Este projeto é uma submissão para o IBM Bob Java Migration and Modernization Hackathon.<br>
 🎉 Projeto completo e pronto para avaliação. Desenvolvido com expertise em Cloud-native e AI.
 </p>
 </section>
</main>
</div>
</body>
</html>