/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
interface Test {
	String test();
}
 
class Foo implements Test {
	public String test() {
		return "foo";
	}
}
 
class Bar implements Test {
	public String test() {
		return "bar";
	}
}
 
class Ideone {
	static <T extends Test> void polymorph(T x) {
		System.out.println(x.test());
	}
 
	public static void main (String[] args) throws java.lang.Exception {
		polymorph(new Foo());
		polymorph(new Bar());
	}
}

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