I'm having trouble to find an element inside my String array contained inside my HashMap. I have a String that is indeed inside this String[] but doing the following does not work.

```java
if (groupOuMap.containsValue("someString")) {
     groupOu = "someString";
} 

```

My goal is to find the corresponding key of my HashMap where the value is found.

Exemple with a sample of my map :

```
nedcard.nl -> ["Wijchen account"]
mic.ad ->  ["Ayutthaya4", "Brazil", "Changi", "Dresden", "Guangzhou"]

```

If I search for the String `Brazil`, I'd like to have a new Array of String which would be :

```
String[] groupOu = {"mic.ad", "Brazil"};

```

I have tried to used `groupOuMap.values().contains()` as well with no success.

Am I doing this wrong? Thank you!