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commons-geometry-core/src/main/java/org/apache/commons/geometry/core/Vector.java

@@ -40,7 +40,7 @@ public interface Vector<V extends Vector<V>> extends Spatial {
     /** Get the L<sub>2</sub> norm (commonly known as the Euclidean norm) for the vector.
      * This corresponds to the common notion of vector magnitude or length and
      * is defined as the square root of the sum of the squares of all vector components.
-     * @see <a href="http://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
+     * @see <a href="https://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
      * @return L<sub>2</sub> norm for the vector
      */
     double norm();

commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/internal/Vectors.java

@@ -77,7 +77,7 @@ public static IllegalArgumentException illegalNorm(final double norm) {
      * or length and is defined as the square root of the sum of the squares of all vector components.
      * @param x vector component
      * @return L<sub>2</sub> norm for the vector with the given components
-     * @see <a href="http://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
+     * @see <a href="https://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
      */
     public static double norm(final double x) {
         return Math.abs(x);
@@ -89,7 +89,7 @@ public static double norm(final double x) {
      * @param x1 first vector component
      * @param x2 second vector component
      * @return L<sub>2</sub> norm for the vector with the given components
-     * @see <a href="http://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
+     * @see <a href="https://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
      */
     public static double norm(final double x1, final double x2) {
         return Math.hypot(x1, x2);
@@ -102,7 +102,7 @@ public static double norm(final double x1, final double x2) {
      * @param x2 second vector component
      * @param x3 third vector component
      * @return L<sub>2</sub> norm for the vector with the given components
-     * @see <a href="http://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
+     * @see <a href="https://mathworld.wolfram.com/L2-Norm.html">L2 Norm</a>
      */
     public static double norm(final double x1, final double x2, final double x3) {
         return Norm.EUCLIDEAN.of(x1, x2, x3);

commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/AbstractConvexPolygon3D.java

@@ -71,7 +71,7 @@ public boolean isEmpty() {
     /** {@inheritDoc} */
     @Override
     public double getSize() {
-        // see http://geomalgorithms.com/a01-_area.html#3D-Planar-Polygons
+        // see https://geomalgorithms.com/a01-_area.html#3D-Planar-Polygons
         final List<Vector3D> vertices = getVertices();
 
         double crossSumX = 0.0;

commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/twod/hull/ConvexHull2D.java

@@ -122,7 +122,7 @@ private static LinePath buildHullPath(final Collection<Vector2D> vertices,
      * distribution.
      *
      * @see <a href=
-     *      "http://en.wikipedia.org/wiki/Convex_hull_algorithms#Akl-Toussaint_heuristic">
+     *      "https://en.wikipedia.org/wiki/Convex_hull_algorithms#Akl-Toussaint_heuristic">
      *      Akl-Toussaint heuristic (Wikipedia)</a>
      */
     public static final class Builder {

commons-geometry-examples/examples-jmh/src/main/java/org/apache/commons/geometry/examples/jmh/package-info.java

@@ -20,7 +20,7 @@
  *
  * <p>
  * This package contains code to perform a
- * <a href="http://openjdk.java.net/projects/code-tools/jmh">JMH</a> run.
+ * <a href="https://openjdk.java.net/projects/code-tools/jmh">JMH</a> run.
  * </p>
  */
 package org.apache.commons.geometry.examples.jmh;

commons-geometry-spherical/src/main/java/org/apache/commons/geometry/spherical/oned/package-info.java

@@ -21,7 +21,7 @@
  * </p>
  * <p>
  * We use here the topologists definition of the 1-sphere (see
- * <a href="http://mathworld.wolfram.com/Sphere.html">Sphere</a> on
+ * <a href="https://mathworld.wolfram.com/Sphere.html">Sphere</a> on
  * MathWorld), i.e. the 1-sphere is the one-dimensional closed curve
  * defined in 2D as x<sup>2</sup>+y<sup>2</sup>=1.
  * </p>

commons-geometry-spherical/src/main/java/org/apache/commons/geometry/spherical/twod/package-info.java

@@ -21,7 +21,7 @@
  * </p>
  * <p>
  * We use here the topologists definition of the 2-sphere (see
- * <a href="http://mathworld.wolfram.com/Sphere.html">Sphere</a> on
+ * <a href="https://mathworld.wolfram.com/Sphere.html">Sphere</a> on
  * MathWorld), i.e. the 2-sphere is the two-dimensional surface
  * defined in 3D as x<sup>2</sup>+y<sup>2</sup>+z<sup>2</sup>=1.
  * </p>