8_1

#include <iostream>#include <string>using namespace std;const int LEN=5;class CNode{public:CNode(int value =0);void Print()const;private:int m_value;};CNode::CNode(int value):m_value(value){;}void CNode::Print()const{cout<<"CNode value:"<<m_value<<endl;}void main(){CNode *poCN=new CNode[LEN];if(poCN==NULL){exit(0);}delete []poCN;poCN=NULL;poCN=new CNode(5);if(poCN==NULL){exit(0);}delete poCN;poCN=NULL;//立即指向NULLint *p1,*p2,(*p3)[3];p1=new int;p2=new int(200);p3=new int[2][3];delete p1;delete p2;delete []p3;p1=NULL;p2=NULL;p3=NULL;CNode oCP1(1);const CNode oCP2(3);}