class Partition extends Object120 {
    

    /** Return an array where all "small" values are on the left, and "large" on the right.
     *
     * @param data        The numbers to be partitioned.
     * @param threshhold  the cut-off for what is considered "large".
     * @return an array like `data`, but first come all values < `threshhold`,
     *    followed by the values >= `threshold`, in the same relative order
     *    as in `data`.
     */




    static void testPartition() {
        // After reading the below to get an idea of what
        assertEquals( new double[]{5,3,2,9,15}, partition( new double[]{9,5,3,15,2}, 7.0 ) );
    }
    
    
}