C++ 实例练习-替换原生数组

C++ 实例练习-替换原生数组

main.cpp

 #include <stdio.h>
 #include "intarray.h"

 int main(int argc, char *argv[])
 {
     int pra = ;
     IntArray a();
     a.length();
     a.get(pra , );
     return ;
 }

IntArray.cpp

 #include "intarray.h"
 #include <iostream>
 using namespace  std;
 IntArray::IntArray(int len){
     Pointer_1 = new int[len];
     length_1 = len;
     for(int i = ; i< len; i++){
         Pointer_1[i] = i+;
         cout << Pointer_1[i] <<endl;
     }
 }

 int IntArray::length(){
     cout << "length:" << length_1 <<endl;
     return length_1;
 }

 bool IntArray::get(int& pra , int i){
     if ((i > length_1)&& ( i <  )){
             return false;
 }
     else {
             pra = Pointer_1[i];
             cout <<" i :" << pra <<endl;
 }
 }

 bool IntArray::set(int pra_1, int setPra){
     if ((pra_1 > length_1)&& ( pra_1 <  )){
                     return false;
 }
         else {
         Pointer_1[pra_1] = setPra;
 }
     for(int i = ; i< length_1; length_1++)
     {
         cout << Pointer_1[i] <<endl;
     }
 }

 void IntArray::free()
 {
     delete[] Pointer_1;
 }

IntArray.h

#ifndef INTARRAY_H
#define INTARRAY_H

class IntArray
{
public:
    IntArray(int len);
    int length();
    bool get(int& pra , int i);
    bool set(int pra_1, int setPra);
    void free();
private:
    int * Pointer_1;
    int length_1;
};
#endif // INTARRAY_H