62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
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#include <stdio.h>
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#include <string.h>
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#include <iostream.h>
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class daten
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{
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public:
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daten()
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{
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count++;
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if (pFirst == 0)
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{ pFirst= this; }
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else
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{
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for (daten *pDdd = pFirst; pDdd->pNext; pDdd = pDdd->pNext)
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{ }
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pDdd->pNext=this;
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}
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pNext=0;
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}
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static daten *first()
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{ return pFirst; }
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daten *next()
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{ return pNext; }
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void init()
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{ a = 0;
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strcpy(name,""); }
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void increment(char *nstr)
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{ a++;
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strcpy(name, nstr); }
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void decrement()
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{ a--; }
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int wert()
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{ return a; }
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char *nnn()
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{ return name; }
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protected:
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static daten *pFirst;
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daten *pNext;
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static int count;
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int a;
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char name[50];
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};
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daten *daten::pFirst = 0;
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int daten::count = 0;
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int main(void)
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{
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daten *pDdd;
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pDdd = new daten();
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if (pDdd == 0) {puts("OUT OF MEM");}
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pDdd->init();
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pDdd->increment("eins");
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pDdd = new daten();
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if (pDdd == 0) {puts("OUT OF MEM");}
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pDdd-> init();
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pDdd->increment("Zwei");
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pDdd->increment("Zwei");
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pDdd = daten::first();
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cout << "Hallo " << pDdd->wert() << " " << pDdd->nnn() << "\n";
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pDdd = pDdd->next();
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cout << "Hallo " << pDdd->wert() << " " << pDdd->nnn() << "\n";
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}
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