関連ワード:  how to get elements from map in java    how to get values from map in java    how to get values from map in javascript    how to get elements from hashmap in java    how to get first element from map in java    how to get last element from map in java    how to get first element from map in java 8    how to get values from hashmap in java    how to get values from hashmap in java 8 example    how to get all values from map in java