question: public LongArray ( LongArray array ) { this . ordered = array . ordered ; size = array . size ; items = new long [ size ] ; System . arraycopy ( array . items , 0 , items , 0 , size ) ; }
target:  Creates a new array containing the elements in the specific array. The new array will be ordered if the specific array is ordered. The capacity is set to the number of elements, so any subsequent elements added will cause the backing array to be grown. 