Text that distinguishes one form control from another is called a ____.

__________ is a program routine that copies an executable program into memory for execution.

A. Compiler B. Loader C. Instruction set D. Executable code

Show the output of running the class Test in the following code lines:

``` interface A { } class C { } class B extends D implements A { } public class Test { public static void main(String[] args) { B b = new B(); if (b instanceof A) System.out.println("b is an instance of A"); if (b instanceof C) System.out.println("b is an instance of C"); } } class D extends C { }``` a. Nothing. b. b is an instance of A. c. b is an instance of C. d. b is an instance of A followed by b is an instance of C.