Documentation/Languages/Java
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Java

v1.2.0Apache 2.0

Advanced Java skills for streams, concurrency, and generics.

languagesskilllspjavastreamsconcurrency

Installation

Install han binary (required for hooks to work):

curl -fsSL https://han.guru/install.sh | bash

Then install this plugin:

han plugin install java

Overview

Advanced Java skills for streams, concurrency, and generics.

Skills

This plugin provides the following skills:

  • Concurrency
  • Generics
  • Streams Api

Usage

Once enabled, Claude will automatically apply these skills when working with relevant code. The plugin provides context and expertise that Claude uses to:

  • Write idiomatic code following best practices
  • Suggest appropriate patterns and architectures
  • Catch common mistakes and anti-patterns
  • Provide framework-specific guidance

Installation

Install with npx (no installation required):

bash
han plugin install jutsu-java

LSP Servers

🧠

jdtls

Languages:

java

File Extensions:

.java

Command:

${CLAUDE_PLUGIN_ROOT}/scripts/lsp-entrypoint.sh

Skills

📖

java-concurrency

Use when Java concurrency with ExecutorService, CompletableFuture, and virtual threads. Use when building concurrent applications.

📖

java-generics

Use when Java generics including type parameters, wildcards, and type bounds. Use when writing type-safe reusable code.

📖

java-streams-api

Use when Java Streams API for functional-style data processing. Use when processing collections with streams.