code: public Vector3f getColumn(int column, Vector3f dest) throws IndexOutOfBoundsException {
          switch (column) {
          case 0:
              dest.x = m00;
              dest.y = m01;
              dest.z = m02;
              break;
          case 1:
              dest.x = m10;
              dest.y = m11;
              dest.z = m12;
              break;
          case 2:
              dest.x = m20;
              dest.y = m21;
              dest.z = m22;
              break;
          case 3:
              dest.x = m30;
              dest.y = m31;
              dest.z = m32;
              break;
          default:
              throw new IndexOutOfBoundsException();
          }
          return dest;
      }
docs: /* (non-Javadoc)
  @see org.joml.Matrix4x3fc#getColumn(int, org.joml.Vector3f)