//test.cs
using System;
class Student: IComparable
{
string name;
int Grade;
bool Listen;
public Student(string n)
{
name = n;
Grade = 0;
Listen = false;
}
public void print()
{
Console.WriteLine(name);
}
public string getname()
{
return name;
}
#region
public int CompareTo(Student b)
{
return this.name.CompareTo(b.getname());
}
#endregion
static void Main(string[] args)
{
}
}
//prog.cs
class Program
{
static void Main(string[] args)
{
Student a = new Student ("aa");
Student b = new Student ("bb");
Swap(ref a, ref b);
a.print();
b.print();
}
static void Swap(ref Student a , ref Student b)
{
Student tem = a;
a = b;
b = tem;
Student[] stu = new Student[5];
stu[0] = new Student("bb");
stu[1] = new Student("aa");
stu[2] = new Student("dd");
stu[3] = new Student("cc");
stu[4] = new Student("ee");
foreach(Student s in stu)
s.print();
var stu2 = stu.Orderby(o=>o.name);
foreach(Student s in stu2)
s.print();
}
}
//public class Cmp : IComparer<Student>
//{
// int IComparer<Student>.Compare(Student a, Student b)
// {
// return a.getname()< b.getname();
// }
//}
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#include<iostream>
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#include<cstdio>
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#include<cstdlib>
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#include<sstream>
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#include<string>
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#include<sys/types.h>
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#include<sys/wait.h>
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using namespace std;
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const int MAXN = 1000;
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char hostname[MAXN];
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char pathname[MAXN];
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string cmline;
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string cm1;
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string cm2;
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int main()
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{
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cout<<"------------------strat of SHELL program---------------------"<<endl;
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while(true)
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{
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istringstream scin(cmline);
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gethostname(hostname,MAXN);
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getcwd(pathname,MAXN);
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printf("%s %s $ ",hostname,pathname);
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int status;
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getline(cin,cmline);
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scin>>cm1;
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getline(scin,cm2);
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cout<<cmline<<endl;
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cout<<cm1<<endl;
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cout<<cm2<<endl;
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if(cm1=="cd")
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{
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system(cmline.c_str());
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cout<<cmline<<endl;
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continue;
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}
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if(fork()!=0)
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{
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waitpid(-1,&status,0);
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}
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else
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{
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// cout<<cm1<<endl;
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// cout<<cm2<<endl;
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// system("ls -l");
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system((cmline).c_str());
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}
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}
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cout<<"-------------------end of SHELL program----------------------"<<endl;
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return 0;
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}
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#include<iostream>#include<cstdio>#include<cstdlib>#include<sstream>#include<string>#include<sys/types.h>#include<sys/wait.h> using namespace std;const int MAXN = 1000;char hostname[MAXN];char pathname[MAXN];string cmline;string cm1;string cm2;int main()
{
cout<<"------------------strat of SHELL program---------------------"<<endl; while(true) 
{
istringstream scin(cmline); gethostname(hostname,MAXN); getcwd(pathname,MAXN); printf("%s %s $ ",hostname,pathname); int status; getline(cin,cmline); scin>>cm1; getline(scin,cm2); cout<<cmline<<endl; cout<<cm1<<endl; cout<<cm2<<endl; if(cm1=="cd") { system(cmline.c_str()); cout<<cmline<<endl; continue;
} if(fork()!=0) { waitpid(-1,&status,0); } else { // cout<<cm1<<endl; // cout<<cm2<<endl; // system("ls -l"); system((cmline).c_str()); } } cout<<"-------------------end of SHELL program----------------------"<<endl; return 0;
}
abilitytao 2014-09-02 23:27 发表评论