Sun Certified Programmer for the Java 2 Platform Quiz #2 (SCJP 1.4)

Question 7:

What will happen when you attempt to compile and run the following code?

interface MyInterface
{
}
public class MyInstanceTest implements MyInterface
{
    static String s;
    public static void main(String args[])
    {
        MyInstanceTest t = new MyInstanceTest();
        if(t instanceof MyInterface)
        {
            System.out.println("I am true interface");
        }
        else 
        {
            System.out.println("I am false interface");
        }
        if(s instanceof String)
        {
            System.out.println("I am true String");
        }
        else 
        {
            System.out.println("I am false String");
        }
    }    
}