invalid syntax, Queue is an interface so you cannot use the new key word in java to make a new object of it.
if you are determining the size, then use the size() method.
comparing head == null is...
Type: Posts; User: dicdic
invalid syntax, Queue is an interface so you cannot use the new key word in java to make a new object of it.
if you are determining the size, then use the size() method.
comparing head == null is...