public void clear() {
        Entry[] table = this.table;
        for (int index = table.length; --index >= 0;) {
            table[index] = null;
        }
        size = 0;
    }
Called internally by com.jme3.util.clone.Cloner.  Do not call directly.
jme3-core/src/main/java/com/jme3/util/IntMap.java