What is the output of the following program?

public class Main {
    public static void main(String[] args) {
        String s = "b";
        switch (s) {
            case "a": System.out.print("A");
            case "b": System.out.print("B");
            case "c": System.out.print("C");
        }
        System.out.println();
    }
}