What does the following code do? public class Utils { private static Stack s = new LinkedStack

What does the following code do?

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public class Utils { private static Stack s = new LinkedStack (); private static String[] alphabet = new String[] {"A", "B", "C", "D", "E"}; public static void doSomething(String[] alphabet) { if (alphabet == null) { return; } for (int i=0; i public class Utils { private static Stack s = new LinkedStack (); private static String[] alphabet = new String[] {"A", "B", "C", "D", "E"}; public static void doSomething(String[] alphabet) { if (alphabet == null) { return; } for (int i=0; i