How can I express that two values are not equal to eachother?

Question

Is there a method similar to equals() that expresses \"not equal to\"?

An example of what I am trying to accomplish is below:

if (second         


        

Answer 1

"Not equals" can be expressed with the "not" operator ! and the standard .equals.

if (a.equals(b)) // a equals b
if (!a.equals(b)) // a not equal to b