From de9943e7e0fbd576ac5bd76de64c6affc3e33ed9 Mon Sep 17 00:00:00 2001
From: AbdulrehmanCUI <abdulrehman003cui@gmail.com>
Date: Wed, 24 Jun 2026 03:00:17 +0500
Subject: [PATCH] Update courseCatalog.js

---
 src/features/language/courseCatalog.js | 61 +++++++++++++++++++++++++-
 1 file changed, 59 insertions(+), 2 deletions(-)

diff --git a/src/features/language/courseCatalog.js b/src/features/language/courseCatalog.js
index 1d171ec..41031ea 100644
--- a/src/features/language/courseCatalog.js
+++ b/src/features/language/courseCatalog.js
@@ -8,6 +8,7 @@ import {
   Table2,
   Terminal,
   Presentation,
+  Coffee,
 } from "lucide-react";
 
 export function languageKey(value = "") {
@@ -107,8 +108,8 @@ export const languageCourses = {
       description:
         "Master the art of plotting, charts, and customizing beautiful data science visualizations from scratch.",
       href: "/learn/matplotlib-py",
-      accent: "#239120", // Give it a distinct color hex code
-      icon: Presentation, // You can use 'Presentation', 'LineChart', or 'BarChart2' from lucide-react
+      accent: "#239120",
+      icon: Presentation,
     },
   ],
   javascript: [
@@ -144,6 +145,55 @@ export const languageCourses = {
       accent: "#179c24",
     },
   ],
+
+  // ── Java Courses ─────────────────────────────────────────────────────────────
+  java: [
+    {
+      title: "Java Fundamentals",
+      tag: "Beginner Course",
+      icon: Coffee,
+      description:
+        "Java syntax, variables, control flow, methods, arrays, classes, strings, and user input — everything to write real Java from scratch.",
+      href: "/hub?language=Java&category=01-beginner",
+      accent: "#e76f00",
+    },
+    {
+      title: "Java Intermediate",
+      tag: "OOP Course",
+      icon: Boxes,
+      description:
+        "Inheritance, interfaces, collections, exception handling, generics, and file I/O — the core pillars of professional Java.",
+      href: "/hub?language=Java&category=02-intermediate",
+      accent: "#f59e0b",
+    },
+    {
+      title: "Java Advanced",
+      tag: "Advanced Course",
+      icon: Layers3,
+      description:
+        "Streams API, lambda expressions, multithreading, Optional, and JDBC — write fast, modern, production-ready Java.",
+      href: "/hub?language=Java&category=03-advanced",
+      accent: "#3b82f6",
+    },
+    {
+      title: "Spring Boot & REST",
+      tag: "Professional Course",
+      icon: Grid3x3,
+      description:
+        "Build REST APIs with Spring Boot, Spring Data JPA, Maven, request validation, and unit testing with JUnit and Mockito.",
+      href: "/hub?language=Java&category=04-professional",
+      accent: "#22c55e",
+    },
+    {
+      title: "Java Mastery",
+      tag: "Mastery Course",
+      icon: Brain,
+      description:
+        "Algorithms, data structures, design patterns, Big-O analysis, and full interview preparation to become a confident Java developer.",
+      href: "/hub?language=Java&category=05-mastery",
+      accent: "#a855f7",
+    },
+  ],
 };
 
 /** Navbar learn links per language (mirrors languageCourses). */
@@ -162,6 +212,13 @@ export const learnNavByLanguage = {
     { label: "Matplotlib", to: "/learn/matplotlib-py" },
   ],
   javascript: [{ label: "JS Basics", to: "/learn/js-fundamentals" }],
+  java: [
+    { label: "Fundamentals", to: "/hub?language=Java&category=01-beginner" },
+    { label: "Intermediate", to: "/hub?language=Java&category=02-intermediate" },
+    { label: "Advanced", to: "/hub?language=Java&category=03-advanced" },
+    { label: "Spring Boot", to: "/hub?language=Java&category=04-professional" },
+    { label: "Mastery", to: "/hub?language=Java&category=05-mastery" },
+  ],
 };
 
 /** Infer stack from an active /learn/* route when language is not set. */