javadoc and whitespace

src/main/java/com/github/stephengold/joltjni/Float3.java

@@ -99,8 +99,7 @@ public float get(int index) {
             case 2:
                 return z;
             default:
-                throw new IllegalArgumentException(
-                        "index must be 0, 1 or 2");
+                throw new IllegalArgumentException("index must be 0, 1 or 2");
         }
     }
 

src/main/java/com/github/stephengold/joltjni/Quat.java

@@ -157,8 +157,8 @@ public void set(float x, float y, float z, float w) {
     /**
      * Set all 4 components from the specified array.
      *
-     * @param array the desired component values (not null, length≥4,
-     * unaffected)
+     * @param array the desired component values (in XYZW order, not null,
+     * length≥4, unaffected)
      */
     public void set(float[] array) {
         this.x = array[0];
@@ -442,8 +442,8 @@ public Quat normalized() {
     }
 
     /**
-     * Write all 4 components to the specified buffer and advance the buffer's
-     * position by 4. The quaternion is unaffected.
+     * Write all 4 components to the specified buffer in XYZW order and advance
+     * the buffer's position by 4. The quaternion is unaffected.
      *
      * @param storeBuffer the destination buffer (not null)
      */

src/main/java/com/github/stephengold/joltjni/RVec3.java

@@ -353,8 +353,7 @@ public double get(int index) {
             case 2:
                 return zz;
             default:
-                throw new IllegalArgumentException(
-                        "index must be 0, 1 or 2");
+                throw new IllegalArgumentException("index must be 0, 1 or 2");
         }
     }
 

src/main/java/com/github/stephengold/joltjni/Vec3.java

@@ -621,8 +621,7 @@ public float get(int index) {
             case 2:
                 return z;
             default:
-                throw new IllegalArgumentException(
-                        "index must be 0, 1 or 2");
+                throw new IllegalArgumentException("index must be 0, 1 or 2");
         }
     }