The array object in the Java programming language supports a built-in method for sorting objects. An array of strings named "words," for example, can be sorted by calling the "Arrays.sort (words ...

Bing Li, Min Kyung Kim, Naomi Altman, ON DIMENSION FOLDING OF MATRIX- OR ARRAY-VALUED STATISTICAL OBJECTS, The Annals of Statistics, Vol. 38, No. 2 (April 2010), pp. 1094-1121 ...