using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Introducing{
class b1{
static void Main(string[] args){
/********** Begin *********///定义变量：name和age
string name="Jackie";
int age=56;//输出
Console.WriteLine("His name is "+name);
Console.WriteLine("his age is "+age);/********** End *********/}}}
第2关 命名规则
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace B2b{
class Program{
static void Main(string[] args){
/********** Begin *********/
int fileSystem =100;
string myname ="Jackie";
string string1 ="words";
int iLove=521;
Console.WriteLine(fileSystem);
Console.WriteLine(myname);
Console.WriteLine(string1);
Console.WriteLine(iLove);/********** End *********/
Console.WriteLine("You have successfully corrected this section of the code");}}}
第3关 转义字符及Unicode值
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace B3{
class b3{
static void Main(string[] args){
/********** Begin *********///请运用转义字符相关知识
//按照任务要求将一段文字完整打印出来
Console.Write("Ben:\"Listen to me, son\"\nPeter:\"Yeah, go ahead\"\nBen:\"You are a lot like your father, Peter\"\nBen:\"But your father believed that if you could do good things for other people, you had a moral obligation to do those things\"\nBen:\"Not choice. Responsibility\"\nPeter:\"That is nice. That’s great\"");/********** End *********/}}}
第4关 运算符的优先级
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace B4{
class Program{
static void Main(string[] args){
/********** Begin *********/
int a =1;
int b =2;
int c =3;
int d =4;
int f =(a + b)* c - d;/********** End *********/
Console.WriteLine(f);}}}
C#变量拓展
第1关 类型转换
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace C1{
class Program{
static void Main(string[] args){
//Read a set of data
string a = Console.ReadLine();
string b = Console.ReadLine();
string c = Console.ReadLine();
int result =0;/********** Begin *********/
int a1=int.Parse(a);
int b1=int.Parse(b);
int c1=int.Parse(c);
result=a1*b1*c1;/********** End *********/
Console.WriteLine(result);}}}
第2关 复杂类型之枚举
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace C1{
class Program{
/********** Begin *********/
enum Season :int{
Summer=1,Autumn}/********** End *********/
static void Main(string[] args){
Season mySeason = Season.Summer +1;
Console.WriteLine("mySeason is "+ mySeason);}}}
第3关 复杂类型之结构
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace C1{
class Program{
/********** Begin *********///define struct type
struct person{
public string city;
public string zipCode;
public int weight;}/********** End *********/
static void Main(string[] args){
/********** Begin *********///use struct type
person myFriend;
myFriend.city="Beijing";
myFriend.zipCode="343322";
myFriend.weight=45;/********** End *********/
Console.WriteLine("Your city is "+ myFriend.city +", your zip code is "+ myFriend.zipCode +", your weight is "+ myFriend.weight);}}}
第4关 复杂类型之数组
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace C1{
class Program{
static void Main(string[] args){
/********** Begin *********///Define an array of arrays: a
int [][] a={
new int[]{
1,2,3,},new int[]{
4,1,6}};/********** End *********///Initialize the array
for(int i =0; i <2; i++){
for(int j =0; j <3; j++){
a[i][j]= i * j;}}/********** Begin *********///Print the second row of column 2 of array a
Console.WriteLine("数组a第二行第二列的值："+a[1][1]);/********** End *********/}}}
C#初体验
第1关 第一个程序：Hello World
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace A1{
class Program{
/********** Begin *********/// 请补全符合规范的main()函数
static void Main(string[] args){
Console.WriteLine("Hello World, C#");//请补全代码段
}/********** End *********/}}
第2关 简单类型
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace A2{
class Program{
static void Main(string[] args){
/********** Begin *********///定义变量：name和age
string name="Jackie";
int age=56;//输出
Console.WriteLine("His name is "+name);
Console.WriteLine("his age is "+age);/********** End *********/}}}
第3关 C#输入输出，模拟一段对话的过程
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace A3{
class Program{
static void Main(string[] args){
/********** Begin *********/
Console.WriteLine("Listen to me, son");
Console.WriteLine("You are a lot like your father, Peter");
Console.WriteLine("But your father believed that if you could do good things for other people, you had a moral obligation to do those things");
Console.WriteLine("Not choice. Responsibility");/********** End *********/}}}
C#循环语句
第1关 while循环
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace F1{
class Program{
static void Main(string[] args){
int[] array ={
1,2,6,9,4,7,13,12,5,3,8,10,11};/********** Begin *********/
int temp =0;
int i =0;while(i < array.Length-1){
int j=0;//计数器j
while(j < array.Length -1- i){
if(array[j]> array[j +1]){
temp = array[j +1];
array[j +1]= array[j];
array[j]= temp;}
j++;}
i++;}/********** End *********/
int size =0;while(size < array.Length){
Console.WriteLine(array[size]);
size++;}}}}
第2关 do循环
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace F2{
class Program{
static void Main(string[] args){
/********** Begin *********/
int[] array ={
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
int temp =0;
int i =0;do{
int j =0;do{
if(array[j]> array[j +1]){
temp = array[j +1];
array[j +1]= array[j];
array[j]= temp;}
j++;}while(j < array.Length -1- i);
i++;}while(i < array.Length -1);
int size =0;while(size < array.Length){
Console.WriteLine(array[size]);
size++;}/********** End *********/}}}
第3关 for循环
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace F3{
class Program{
static void Main(string[] args){
int[] array ={
1,2,6,9,4,7,13,12,5,3,8,10,11};
int temp =0;/********** Begin *********/for(int i=0; i < array.Length -1; i++){
for(int j =0; j < array.Length -1- i; j++){
if(array[j]> array[j +1]){
temp = array[j +1];
array[j +1]= array[j];
array[j]= temp;}}}/********** End *********/
int size =0;while(size < array.Length){
//输出排序后的数组
Console.WriteLine(array[size]);
size++;}}}}
第4关 foreach循环
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace F3{
class Program{
static void Main(string[] args){
string[] nameList ={
"Jackie","Quentin","Anna","Charlize","Eva","Audrey","Aoisola"};/********** Begin *********/
Console.WriteLine("Now start naming");foreach(string a in nameList){
Console.WriteLine(a);}/********** End *********/
Console.WriteLine("Great. Let's start");}}}
第5关 循环中断
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace F4{
class Program{
static void Main(string[] args){
/********** Begin *********/for(int i =1; i <=9; i++){
for(int j =1; j <= i; j++){
if(i * j ==56){
Console.WriteLine("we found 56");return;}}
Console.Write("\n");}/********** End *********/}}}