·java-fundamentals

Master core Java programming - syntax, OOP, collections, streams, and exception handling

101Installs·2Trend·@pluginagentmarketplace

Installation

$npx skills add https://github.com/pluginagentmarketplace/custom-plugin-java --skill java-fundamentals

SKILL.md

This skill covers Java fundamentals including syntax, OOP, collections, streams API, and exception handling for Java 8-21.

| Indexed access | ArrayList | O(1) random access | | Unique elements | HashSet | O(1) contains | | Sorted unique | TreeSet | O(log n) sorted | | Key-value pairs | HashMap | O(1) get/put |

| NullPointerException | Null reference | Use Optional | | ConcurrentModificationException | Modify during iteration | Iterator.remove() | | ClassCastException | Wrong type | Use generics |

Master core Java programming - syntax, OOP, collections, streams, and exception handling Source: pluginagentmarketplace/custom-plugin-java.

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Install command
npx skills add https://github.com/pluginagentmarketplace/custom-plugin-java --skill java-fundamentals
Category
</>Dev Tools
Verified
First Seen
2026-02-01
Updated
2026-02-18

Quick answers

What is java-fundamentals?

Master core Java programming - syntax, OOP, collections, streams, and exception handling Source: pluginagentmarketplace/custom-plugin-java.

How do I install java-fundamentals?

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/pluginagentmarketplace/custom-plugin-java --skill java-fundamentals Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor

Where is the source repository?

https://github.com/pluginagentmarketplace/custom-plugin-java