C#计算字符串中单词的出现次数
usingSystem;classProgram{staticvoidMain(){stringstr="HelloWorld!Hello!";Console.WriteLine("Occurrence:&qu
C#进阶
C#不安全的代码
usingSystem;namespaceUnsafeCodeApplication{classProgram{staticunsafevoidMain(string[]args){intvar=20;int*p=&var;Cons
C#条件指令
#defineDEBUG#defineVC_V10usingSystem;publicclassTestClass{publicstaticvoidMain(){#if(DEBUG&&!VC_V10)Console.Writ
C#不安全代码检索数据值
usingSystem;namespaceUnsafeCodeApplication{classProgram{publicstaticvoidMain(){unsafe{intvar=20;int*p=&var;Console.W
C#使用委托
usingSystem;usingSystem.IO;namespaceDelegateAppl{classPrintString{staticFileStreamfs;staticStreamWritersw;//delegatedecl
C#重载和非重载运算符
usingSystem;namespaceOperatorOvlApplication{classBox{privatedoublelength;//Lengthofaboxprivatedoublebreadth;//Breadthofa
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#数组零索引
usingSystem;namespaceArrayApplication{classMyArray{staticvoidMain(string[]args){int[]n=newint[5];inti,j;/*begingsfromind
C#抽象与虚拟动态多态
usingSystem;namespacePolymorphismApplication{classShape{protectedintwidth,height;publicShape(inta=0,intb=0){width=a;heig
C#检查是否有N个连续二进制数
usingSystem;classMyApplication{staticintcount(bool[]myArr,intnum){intmyCount=0,res=0;for(inti=0;i<num;i++){if(myArr[i
C#访问数组元素
usingSystem;namespaceArrayApplication{classMyArray{staticvoidMain(string[]args){int[]n=newint[10];/*nisanarrayof10intege
C#Stack类
usingSystem;usingSystem.Collections;namespaceCollectionsApplication{classProgram{staticvoidMain(string[]args){Stackst=ne
C#运算符重载
usingSystem;namespaceOperatorOvlApplication{classBox{privatedoublelength;//Lengthofaboxprivatedoublebreadth;//Breadthofa
C#访问数组元素的不安全代码
usingSystem;namespaceUnsafeCodeApplication{classTestPointer{publicunsafestaticvoidMain(){int[]list={10,100,200};fixed(in
C#其他运算符
usingSystem;namespaceOperatorsAppl{classProgram{staticvoidMain(string[]args){/*exampleofsizeofoperator*/Console.WriteLin
C#嵌套循环
usingSystem;namespaceLoops{classProgram{staticvoidMain(string[]args){/*localvariabledefinition*/inti,j;for(i=2;i<100;
C#使用索引器
usingSystem;namespaceIndexerApplication{classIndexedNames{privatestring[]namelist=newstring[size];staticpublicintsize=10
C#for循环
usingSystem;namespaceLoops{classProgram{staticvoidMain(string[]args){/*forloopexecution*/for(inta=10;a<20;a=a+1){Cons
C#do...while循环
usingSystem;namespaceLoops{classProgram{staticvoidMain(string[]args){/*localvariabledefinition*/inta=10;/*doloopexecutio
C#字符串包含字符串
usingSystem;namespaceStringApplication{classStringProg{staticvoidMain(string[]args){stringstr="Thisistest";if(