Class java.util.concurrent.ConcurrentSkipListMap

Added Methods
V compute(K, BiFunction<?, super, K, ?, super, V, ?, extends, V>)  
V computeIfAbsent(K, Function<?, super, K, ?, extends, V>)  
V computeIfPresent(K, BiFunction<?, super, K, ?, super, V, ?, extends, V>)  
void forEach(BiConsumer<?, super, K, ?, super, V>)  
V getOrDefault(Object, V)  
V merge(K, V, BiFunction<?, super, V, ?, super, V, ?, extends, V>)  
void replaceAll(BiFunction<?, super, K, ?, super, V, ?, extends, V>)