How to find index of STRING array in Java from a given value?

Question

I wanted to know if there\'s a native method in array for Java to get the index of the table for a given value ?

Let\'s say my table contains these strings :

<

Answer 1

Refactoring the above methods and showing with the use:

private String[] languages = {"pt", "en", "es"};
private Integer indexOf(String[] arr, String str){
   for (int i = 0; i < arr.length; i++)
      if(arr[i].equals(str)) return i;
   return -1;
}
indexOf(languages, "en")