类
using System;
namespace app{
class MyClass{
public static void Main(string[] args){
MyClass my = new MyClass();
Console.WriteLine(my.Calc(4));
}
int Calc( int num){
int temp =1;
for(int i =1;i<=num;i++){
temp*=i;
}
return temp;
}
}
}17
1
using System;2
namespace app{3
class MyClass{4
public static void Main(string[] args){5
MyClass my = new MyClass();6
Console.WriteLine(my.Calc(4));7
}8
int Calc( int num){9
int temp =1;10
for(int i =1;i<=num;i++){11
temp*=i;12
}13
return temp;14
}15
}16
}静态方法：
using System;
namespace app{
class MyClass{
public static void Main(string[] args){
//MyClass my = new MyClass();
Console.WriteLine(Calc(4));
}
static int Calc( int num){
int temp =1;
for(int i =1;i<=num;i++){
temp*=i;
}
return temp;
}
}
}17
1
using System;2
namespace app{3
class MyClass{4
public static void Main(string[] args){5
//MyClass my = new MyClass();6
Console.WriteLine(Calc(4));7
}8
static int Calc( int num){9
int temp =1;10
for(int i =1;i<=num;i++){11
temp*=i;12
}13
return temp;14
}15
}16
}动态方法：
using System;
namespace app{
class MyClass{
public static void Main(string[] args){
MyClass my = new MyClass();
Console.WriteLine(Calc(4));
}
int Calc( int num){
int temp =1;
for(int i =1;i<=num;i++){
temp*=i;
}
return temp;
}
}
}17
1
using System;2
namespace app{3
class MyClass{4
public static void Main(string[] args){5
MyClass my = new MyClass();6
Console.WriteLine(Calc(4));7
}8
int Calc( int num){9
int temp =1;10
for(int i =1;i<=num;i++){11
temp*=i;12
}13
return temp;14
}15
}16
}参数数组
using System;
namespace app{
class MyClass{
public static void Main(string[] args){
//MyClass my = new MyClass();
//Console.WriteLine(Calc(4));
int [] a= new int [3] { 121,2,3 };
Console.WriteLine(addArr(a));
}
int Calc( int num){
int temp =1;
for(int i =1;i<=num;i++){
temp*=i;
}
return temp;
}
static int addArr( params int [] arr ){
int num=0;
for(int i=0;i<arr.Length;i++){
num+=arr[i];
}
return num;
}
}
}26
1
using System;2
namespace app{3
class MyClass{4
public static void Main(string[] args){5
//MyClass my = new MyClass();6
//Console.WriteLine(Calc(4));7
int [] a= new int [3] { 121,2,3 };8
Console.WriteLine(addArr(a));9
}10
int Calc( int num){11
int temp =1;12
for(int i =1;i<=num;i++){13
temp*=i;14
}15
return temp;16
}17
static int addArr( params int [] arr ){18
int num=0;19
for(int i=0;i<arr.Length;i++){20
num+=arr[i];21
}22
return num;23
}24
}25
}