@Override
    public String toString() {
        return getClass().getSimpleName() + " [Center: " + center + "  xExtent: "
                + xExtent + "  yExtent: " + yExtent + "  zExtent: " + zExtent
                + "]";
    }
<code>toString</code> returns the string representation of this object.
The form is: "[Center: vector xExtent: X.XX yExtent: Y.YY zExtent:
Z.ZZ]".

@return the string representation of this.
jme3-core/src/main/java/com/jme3/bounding/BoundingBox.java