11. public void testlfA() { 12. if (testlfB("True")) { 13. System.out.printIn("True"); 14. } else { 15. System.out.printin("Not true"); 16. } 17.} 18. public Boolean testlfB(String str) { 19. return Boolean.valueOf(str); 20.} What is the result when method testlfA is invoked? A. True B. Not true C. An exception is thrown at runtime. D. Compilation fails because of an error at line 12. E. Compilation fails because of an error at line 19