java数组拆分多个子数组

/**
 * 拆分集合
 * @param datas
 * @param splitSize
 * @param <T>
 * @return
 */
private  <T> List<List<T>> spliceArrays(List<T> datas,  int  splitSize) {
    if  (datas ==  null  || splitSize <  1 ) {
        return   null ;
    }
    int  totalSize = ();
    //获取要拆分子数组个数
    int  count = (totalSize % splitSize ==  0 ) ?
            (totalSize / splitSize) : (totalSize/splitSize+ 1 );

    ( "split count = "  +count);

    List<List<T>> rows =  new  ArrayList();
    for  ( int  i =  0 ;i < count;i ++) {

        int  index = i * splitSize;
        List<T> cols =  new  ArrayList();
        int  j =  0 ;
        while  (j < splitSize && index < totalSize) {
            ((index++));
            j ++;
        }
        (cols);
    }
    return  rows;
}