How to convert string to array & array to string?

Question

Related to usually asked questions in written test before interview.

Answer 1

You can easily convert string into char array using:
<string>.toCharArray()

And convert char array to string:
String.join(<char array>)

Answer 2

In C, a string is a char array, no need for conversion AFAIK.

Answer 3

In Java you can use the (toCharArray()) method from the String class