return the number of unique entries in the map . concode_field_sep Long2ObjectHashMap<V> map concode_field_sep long compoundKey concode_elem_sep double loadFactor concode_elem_sep void forEach concode_elem_sep void forEach concode_elem_sep V get concode_elem_sep boolean isEmpty concode_elem_sep V put concode_elem_sep V remove concode_elem_sep void accept concode_elem_sep int capacity
int function ( ) { return map . size ( ) ; }