What is wrong with the following code? double *firstPtr = new double;                                //Line 1double *nextPtr = new double;                              //Line 2*firstPtr = 62;                                                          //Line 3nextPtr = firstPtr;                                                    //Line 4delete firstPtr;                                                         //Line 5delete nextPtr;                                                        //Line 6firstPtr = new double;                                            //Line 7*firstPtr = 28;                                                         //Line 8cout << *firstPtr << " " << *nextPtr << endl;        //Line 9

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What is wrong with the following code? 
double *firstPtr = new double;                                //Line 1
double *nextPtr = new double;                              //Line 2
*firstPtr = 62;                                                          //Line 3
nextPtr = firstPtr;                                                    //Line 4
delete firstPtr;                                                         //Line 5
delete nextPtr;                                                        //Line 6
firstPtr = new double;                                            //Line 7
*firstPtr = 28;                                                         //Line 8
cout << *firstPtr << " " << *nextPtr << endl;        //Line 9

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