C#计算字符串中的单词数
usingSystem;publicclassDemo{publicstaticvoidMain(){inta=0,myWord=1;stringstr="HelloWorld!";while(a<=str.Len
C#进阶
C#null结合运算符（??）
usingSystem;namespaceCalculatorApplication{classNullablesAtShow{staticvoidMain(string[]args){double?num1=null;double?num
C#使用while循环来计算阶乘
usingSystem;namespaceMyApplication{classFactorial{publicintdisplay(intn){intres=1;while(n!=1){res=res*n;n=n-1;}returnres
C#静态函数
usingSystem;namespaceStaticVarApplication{classStaticVar{publicstaticintnum;publicvoidcount(){num++;}publicstaticintgetN
C#将十进制转换为八进制数
usingSystem;classDemo{publicstaticvoidMain(){intdecVal,quot,i=1,j;int[]octalVal=newint[80];decVal=40;quot=decVal;Console
C#数组作为函数参数
usingSystem;namespaceArrayApplication{classMyArray{doublegetAverage(int[]arr,intsize){inti;doubleavg;intsum=0;for(i=0;i&
C#将字符列表转换为字符串
usingSystem;namespaceDemo{classMyApplication{staticvoidMain(string[]args){char[]ch=newchar[5];ch[0]='H';ch[1]=&#
C#构造函数
usingSystem;namespaceLineApplication{classLine{privatedoublelength;//LengthofalinepublicLine(){Console.WriteLine("O
C#null值
usingSystem;namespaceCalculatorApplication{classNullablesAtShow{staticvoidMain(string[]args){int?num1=null;int?num2=45;d
C#转换句子中的第一个字符为大写
usingSystem;classDemo{staticStringMyApplication(Stringstr){char[]val=str.ToCharArray();for(inti=0;i<str.Length;i++){i
C#执行基本算术运算
usingSystem;namespaceSample{classDemo{staticvoidMain(string[]args){intnum1=50;intnum2=25;intresult;result=num1+num2;Cons
C#检查两个矩阵是否相同
usingSystem;namespaceDemo{publicclassApplicationOne{publicstaticvoidMain(){int[,]arr1=newint[10,10];int[,]arr2=newint[10
C#I/O二进制文件
usingSystem;usingSystem.IO;namespaceBinaryFileApplication{classProgram{staticvoidMain(string[]args){BinaryWriterbw;Binar
C#ArrayList类
usingSystem;usingSystem.Collections;namespaceCollectionApplication{classProgram{staticvoidMain(string[]args){ArrayListal
C#使用委托
usingSystem;usingSystem.IO;namespaceDelegateAppl{classPrintString{staticFileStreamfs;staticStreamWritersw;//delegatedecl
C#创建一个简单的线程
usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Threading;classDemo{publicvoid
C#计算每个字符的出现次数
usingSystem;publicclassDemo{publicstaticvoidMain(){stringstr="Website";Console.WriteLine("String:"+s
C#事件
usingSystem;namespaceSampleApp{publicdelegatestringMyDel(stringstr);classEventProgram{eventMyDelMyEvent;publicEventProgr
C#泛型
usingSystem;usingSystem.Collections.Generic;namespaceGenericApplication{publicclassMyGenericArray<T>{privateT[]arr
C#显示当前线程的名称
usingSystem;usingSystem.Threading;namespaceDemo{classMyClass{staticvoidMain(string[]args){Threadthread=Thread.CurrentThr