question: private void growEntries ( ) { int newLen = ( next . length << 1 ) + 1 ; int [ ] newNext = new int [ newLen ] ; GridUnsafe . copyMemory ( next , INT_ARR_OFF , newNext , INT_ARR_OFF , size << 2 ) ; next = newNext ; nextEmpty = new int [ newLen ] ; Arrays . fill ( nextEmpty , - 1 ) ; Object [ ] newObjs = new Object [ newLen ] ; System . arraycopy ( objs , 0 , newObjs , 0 , size ) ; objs = newObjs ; }
target:  Increases hash table capacity by lengthening entry arrays.