Csharp+Asp.net系列教程（四）[8]

                                checked{factorial*=cur;}
                            }
                            console.writeline("{0}的阶乘是{1}",num,factorial);
                    }
                }//test.exe 3 3的阶乘是6
        unchecked操作符与checked操作符正好相反，即使溢出，被unchecked操作符所括住的代码也不会引发异常。