public static String reverseConcat( String[] a )
{
    String[] strengur = new String[];
        for (int i = a.length-1; i >=0; i--) {
            int temp = a[i];
            a[i] = a[a.length - 1 ];
            a[a.length - 1 ] = temp;
            strengur[i] = temp[i];
        }
    return strengur;

}