static void Main(string[] args)
{
Student stu = null;
bool b = StudentFactory.Create("Tim", 34, out stu);
if (b == true)
{
Console.WriteLine("Student {0},age is {1}.", stu.Name, stu.Age);
Console.ReadLine();
}
}
static void Main(string[] args)
{
Student stu = new Student();
int y = 100;
stu.AddOne(y);
Console.WriteLine(y);
Student stu1 = new Student();
stu1.Name = "Torn";
SomeMethod(stu1);
Console.WriteLine("{0},{1}", stu1.Name, stu1.GetHashCode());
Console.WriteLine("--------------------");
Console.WriteLine("");
UpdateObject(stu1);
Console.WriteLine("Hashcode={0}, Name={1}", stu1.GetHashCode(), stu1.Name);
Console.WriteLine("--------------------");
Console.WriteLine("");
Student outterStu = new Student()
{
Name = "Tam"
};
Console.WriteLine("Hashcode={0}, Name={1}", outterStu.GetHashCode(), outterStu.Name);
Console.WriteLine("____________________");
IWantSideEffect(ref outterStu);
Console.WriteLine("Hashcode={0}, Name={1}", outterStu.GetHashCode(), outterStu.Name);
Console.WriteLine("--------------------");
Console.WriteLine("");
Student outterStu1 = new Student()
{
Name = "Tam"
};
Console.WriteLine("Hashcode={0}, Name={1}", outterStu1.GetHashCode(), outterStu1.Name);
Console.WriteLine("____________________");
SomeSideEffect(ref outterStu);
Console.WriteLine("Hashcode={0}, Name={1}", outterStu1.GetHashCode(), outterStu1.Name);
Console.WriteLine("--------------------");
Console.WriteLine("");
double a = 3.14159;
double c = a.Round(4);
Console.WriteLine(c);
Console.WriteLine("--------------------");
Console.WriteLine("");
List <int> myList = new List <int>()
{
11, 12, 13, 14, 15
};
bool result = AllGreaterThanTen(myList);
bool result1 = myList.All(i => i > 10); //linq
Console.WriteLine(result);
Console.WriteLine(result1);
Console.WriteLine("--------------------");
Console.WriteLine("");
double x1 = 100;
bool b = double.TryParse("ABC", out x1);
if (b == true)
{
Console.WriteLine(x1 + 1);
}
else
{
Console.WriteLine(x1);
}
Console.WriteLine("--------------------");
Console.WriteLine("");
Student stu2 = null;
bool b2 = StudentFactory.Create("Tim", 34, out stu);
if (b == true)
{
Console.WriteLine("Student {0}, age is {1}.", stu2.Name, stu2.Age);
}
Console.WriteLine("Please input first number:");
string arg1 = Console.ReadLine();
double x = 0;
bool b1 = double.TryParse(arg1, out x);
if (b1 == false)
{
Console.WriteLine("input error!");
return;
}
Console.WriteLine("Please input second number:");
string arg2 = Console.ReadLine();
double x2 = 0;
bool b3 = double.TryParse(arg1, out x2);
if (b3 == false)
{
Console.WriteLine("input error!");
return;
}
double z = x + x2;
Console.WriteLine("{0}+{1}={2}", x, x2, z);
}
