generic factory methods to make declarations more concise , via type inference . concode_field_sep PlaceHolder placeHolder concode_field_sep Pair<L,R> newPair concode_elem_sep List<List<T>> get2DPermutations concode_elem_sep List<List<T>> get2DPermutations concode_elem_sep Set<V> newSet concode_elem_sep Set<V> newSet concode_elem_sep Set<V> newSet concode_elem_sep List<V> newList concode_elem_sep List<V> newList concode_elem_sep List<V> newList
Map < K , V > function ( ) { return new LinkedHashMap < K , V > ( ) ; }