static void Main(string[] args)
{
Program tmpC = new Program();
int total1 = tmpC.SumAll(1, 2);
int total2 = tmpC.SumAll(1, 2, 3, 4, 5);
int total3 = tmpC.SumAll(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
Console.WriteLine(total1);
Console.WriteLine(total2);
Console.WriteLine(total3);
int[] param4 = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int total4 = tmpC.SumAll2(param4);
Console.WriteLine(total4);
tmpC.SelectCard(10, "Diamond");
//이런식으로 매개변수를 전달할 수 있음
tmpC.SelectCard(aNumber: 12, aShape: "Diamond");
tmpC.SelectCard(aShape: "Heart", aNumber: 12); //이런식으로 전달해도 오류 안남
tmpC.MakeCard(7);
tmpC.MakeCard(10, "Heart");
tmpC.MakeCard(aShape: "Heart", aNumber: 10);
CSmartPhone tmpSP1 = new CSmartPhone();
CSmartPhone tmpSP2 = new CSamsungPhone(); //업캐스팅
CSmartPhone tmpSP3 = new CLGPhone(); //업캐스팅
//base 키워드 사용하여 모두 부모클래스의 GetMarket 함수 호출
Console.WriteLine(tmpSP1.GetMarket());
Console.WriteLine(tmpSP2.GetMarket());
Console.WriteLine(tmpSP3.GetMarket());
//상위클래스의 함수 호출 -> virtual 키워드를 사용하지 않았기 때문
Console.WriteLine(tmpSP1.GetButtonCount());
Console.WriteLine(tmpSP2.GetButtonCount());
Console.WriteLine(tmpSP3.GetButtonCount());
if (tmpSP2 is CSamsungPhone) // is 연산자는 형변환 가능여부 확인, 가능하면 true, 불가능 하면 false 반환
{
CSamsungPhone tmpSP4 = (CSamsungPhone)tmpSP2;
Console.WriteLine(tmpSP4.GetButtonCount());
}
CLGPhone tmpSP5 = tmpSP3 as CLGPhone; // as는 형변환이 가능하면 형변환된 객체로 반환, 아니면 null 반환
if (tmpSP5 != null)
{
Console.WriteLine(tmpSP5.GetButtonCount());
}
CSmartPhone tmpSP7 = new CSmartPhone();
CSmartPhone tmpSP8 = new CSmartPhone();
CSmartPhone tmpSP9;
UseSmartPhone(tmpSP7);
ChangeSmartPhone(ref tmpSP8); // ref는 밖에서 꼭 생성
MakeSmartPhone(out tmpSP9); // out은 안에서 꼭 생성
Console.WriteLine(tmpSP7.theID);
Console.WriteLine(tmpSP8.theID);
Console.WriteLine(tmpSP9.theID);
Console.ReadKey();
}
static void ChangeSmartPhone(ref CSmartPhone aPhone)
{
aPhone.theID = "Change";
}
static void MakeSmartPhone(out CSmartPhone aPhone)
{
aPhone = new CSmartPhone(); // out은 무조건 안에서 생성해야함
aPhone.theID = "Make";
}
static void UseSmartPhone(CSmartPhone aPhone)
{
aPhone.theID = "Use";
}
static void Main(string[] args)
{
Program tmpC = new Program();
int total1 = tmpC.SumAll(1, 2);//배열 자동생성
int total2 = tmpC.SumAll(1, 2, 3, 4, 5);
int total3 = tmpC.SumAll(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
Console.WriteLine(total1);
Console.WriteLine(total2);
Console.WriteLine(total3);
int[] param4 = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int total4 = tmpC.SumAll2(param4);//배열을 넣어야 함.
Console.WriteLine(total4);
tmpC.SelectCard(10, "Diamond");
tmpC.SelectCard(aNumber: 12, aShape: "Diamond");
tmpC.SelectCard(aShape: "Heart", aNumber: 12);
tmpC.MakeCard(7);
tmpC.MakeCard(10, "Heart");
CSmartPhone tmpSP1 = new CSmartPhone();
CSmartPhone tmpSP2 = new CSamsungPhone();
CSmartPhone tmpSP3 = new CLGPhone();
Console.WriteLine(tmpSP1.GetMarket());
Console.WriteLine(tmpSP2.GetMarket());
Console.WriteLine(tmpSP3.GetMarket());
Console.WriteLine(tmpSP1.GetButtonCount());
Console.WriteLine(tmpSP2.GetButtonCount());
Console.WriteLine(tmpSP3.GetButtonCount());
if (tmpSP2 is CSamsungPhone)//java에서 instance of
{
CSamsungPhone tmpSP4 = (CSamsungPhone)tmpSP2;
Console.WriteLine(tmpSP4.GetButtonCount());
}
CLGPhone tmpSP5 = tmpSP3 as CLGPhone;//실패하면 널
if (tmpSP5 != null)
{
Console.WriteLine(tmpSP5.GetButtonCount());
}
CSmartPhone tmpSP7 = new CSmartPhone();
CSmartPhone tmpSP8 = new CSmartPhone(); // 초기화 안하면 error.
CSmartPhone tmpSP9; // = new CSmartPhone(); //out은 초기화 안해도 됨.
UseSmartPhone(tmpSP7);
ChangeSmartPhone(ref tmpSP8);
MakeSmartPhone(out tmpSP9);
Console.WriteLine(tmpSP7.theID);
Console.WriteLine(tmpSP8.theID);
Console.WriteLine(tmpSP9.theID);
Console.ReadKey();
}
static void MakeSmartPhone(out CSmartPhone aPhone)
{
aPhone = new CSmartPhone();//생성안하면 error
aPhone.theID = "Make";
}
static void Main(string[] args)
{
Program tmpC = new Program();
int total1 = tmpC.SumAll(1, 2);
int total2 = tmpC.SumAll(1, 2, 3, 4);
int total3 = tmpC.SumAll(1, 2, 3, 4, 5, 6, 7);
Console.WriteLine(total1);
Console.WriteLine(total2);
Console.WriteLine(total3);
int[] param4 = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int total4 = tmpC.SumAll2(param4);
Console.WriteLine(total4);
tmpC.SelectCard(10, "Diamond");
tmpC.SelectCard(aNumber: 12, aShape: "Diamond"); //순서 바뀌ㅇㅓ도 됨,
tmpC.SelectCard(aShape: "Heart", aNumber: 12);
tmpC.MakeCard(7);
tmpC.MakeCard(10, "Heart");
CSmartPhone tmpSP1 = new CSmartPhone();
CSmartPhone tmpSP2 = new CSamsungPhone();
CSmartPhone tmpSP3 = new CLGPhone();
Console.WriteLine(tmpSP1.GetMarket());
Console.WriteLine(tmpSP2.GetMarket());
Console.WriteLine(tmpSP3.GetMarket());
Console.WriteLine(tmpSP1.GetButtonCount()); //1
Console.WriteLine(tmpSP2.GetButtonCount()); //1
Console.WriteLine(tmpSP3.GetButtonCount()); //1
if (tmpSP2 is CSamsungPhone) //is => (JAVA):instanceOf()
{
CSamsungPhone tmpSP4 = (CSamsungPhone)tmpSP2;
Console.WriteLine(tmpSP4.GetButtonCount());//3
}
CLGPhone tmpSP5 = tmpSP3 as CLGPhone; //자바 : dynamic_test<>() as역할.
if (tmpSP5 != null)
{
Console.WriteLine(tmpSP5.GetButtonCount());
}
CSmartPhone tmpSP7 = new CSmartPhone();
CSmartPhone tmpSP8 = new CSmartPhone();
CSmartPhone tmpSP9;// = new CSmartPhone(); out은 가능!
UseSmartPhone(tmpSP7);
ChangeSmartPhone(ref tmpSP8); //꼭 초기화
MakeSmartPhone(out tmpSP9); //tmpSP9가 함수 안에서 생성
Console.WriteLine(tmpSP7.theID);
Console.WriteLine(tmpSP8.theID);
Console.WriteLine(tmpSP9.theID);
Console.ReadKey();
}
static void MakeSmartPhone(out CSmartPhone aPhone)
{
aPhone = new CSmartPhone(); //참조타입? 반드시 new가 있어야 함 error:없으면ㅇ안됨무조건 만들기!
aPhone.theID = "Make";
}
