Consider the following code in Java 8: public interface Runnable { void run() ; } public final class Caller { public static void call (String before, String after, Runnable r) ( System.out.println(before); r. run() ; System.out.println(after); } } public class MyClass{ public static void main(String args[]) ( Caller.call("BEFORE", "AFTER", ); } } Complete the blark line with some code so that the program prints the folowing to the output: BEFORE Hi there! AFTER

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