public static Operation createOperate(string operate) { Operation oper = null; switch (operate) { case "+": oper = new OperationAdd(); break; case "-": oper = new OperationSub(); break; case "*": oper = new OperationMul(); break; case "/": oper = new OperationDiv(); break; default: break; } return(oper); }
public static Operation CreateOperation(string operate) { Operation ret = null; switch (operate) { case "+": ret = new OperationAdd(); break; case "/": ret = new OperationDiv(); break; default: break; } return(ret); }