question: public static String toString ( int partition [ ] [ ] ) { StringBuilder sb = new StringBuilder ( ) ; sb . append ( "{" ) ; for ( int i = 0 ; i < partition . length ; i ++ ) { sb . append ( " " + Arrays . toString ( partition [ i ] ) ) ; } sb . append ( " }" ) ; return sb . toString ( ) ; }
target:  ToString - A string representation for the super-class partition 'partition'.