@ SuppressWarnings ( { "unchecked" } ) public static < T > T [ ] join ( Class < T > componentType , T [ ] [ ] arrays ) { if ( arrays . length == 1 ) { return arrays [ 0 ] ; } int length = 0 ; for ( T [ ] array : arrays ) { length += array . length ; } T [ ] result = ( T [ ] ) Array . newInstance ( componentType , length ) ; length = 0 ; for ( T [ ] array : arrays ) { System . arraycopy ( array , 0 , result , length , array . length ) ; length += array . length ; } return result ; }
Joins arrays using provided component type .