Given the following definition,
sortedlistedinterface amphibianlist=newsortedlist< > ();
what does the list look like after the following operations?
amphibianlist. add("salamander");
amphibianlist. add("iguana");
amphibianlist. add("lizard");
amphibianlist. add("gecko");
amphibianlist. add("toad");
amphibianlist. remove(6);
a. 0
b. salamander
c. null
d. throws an exception