public static Operation CreateOperation(string oper)
{
Operation operation = null;
switch (oper)
{
case "+":
operation = new OperationAdd();
break;
case "-":
operation = new OperationSub();
break;
case "*":
operation = new OperationMult();
break;
case "/":
operation = new OperationDivision();
break;
default:
break;
}
return(operation);
}
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 CreateOperate(string type)
{
Operation oper = null;
switch (type)
{
case "+":
oper = new OperationAdd();
break;
case "-":
oper = new OperationSub();
break;
default:
break;
}
return(oper);
}