Docs: Add Wikipedia link for Graham's scan algorithm

Kavindya-Kariyawasam · Kavindya-Kariyawasam · commit 0098880040e1 · 2025-10-04T19:58:37.000+05:30
diff --git a/src/main/java/com/thealgorithms/geometry/ConvexHull.java b/src/main/java/com/thealgorithms/geometry/ConvexHull.java
@@ -85,6 +85,7 @@ public static List<Point> convexHullRecursive(List<Point> points) {
         }
         
         // Implementation of Graham's scan algorithm to ensure CCW order
+        // See: https://en.wikipedia.org/wiki/Graham_scan
         // Find the bottom-most, left-most point
         Point start = Collections.min(points);
         // Sort points by polar angle with respect to start

Original file line number	Diff line number	Diff line change
`@@ -85,6 +85,7 @@ public static List<Point> convexHullRecursive(List<Point> points) {`
`85`	`85`	`}`
`86`	`86`
`87`	`87`	`// Implementation of Graham's scan algorithm to ensure CCW order`
	`88`	`+ // See: https://en.wikipedia.org/wiki/Graham_scan`
`88`	`89`	`// Find the bottom-most, left-most point`
`89`	`90`	`Point start = Collections.min(points);`
`90`	`91`	`// Sort points by polar angle with respect to start`