public class DivideNumbers implements Chain{ private Chain nextInChain; @Override public void setNextChain(Chain nextChain) { nextInChain = nextChain; } @Override public void calculate(Numbers request) { if(request.getCalcWanted() == "div"){ System.out.print(request.getNumber1() + " / " + request.getNumber2() + " = "+ (request.getNumber1()/request.getNumber2())); } else { System.out.print("Only works for add, sub, mult, and div"); } } }