/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	static abstract class Foo {
		public abstract void foo(String... s);
	}
	static class Bar extends Foo {
		public void foo(String[] s) {
			System.out.println("Bar");
		}
	}
	public static void main (String[] args) throws java.lang.Exception
	{
		Foo f = new Bar();
		f.foo("a", "b");
	}
}

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