You are given the class definition for CashRegister, and you are writing client code to set up an array of pointers to Cash Register objects. Given the declaration of the array below, which code snippet correctly allocates CashRegister objects from the heap for the entire array?

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
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You are given the class definition for CashRegister, and you are writing client
code to set up an array of pointers to Cash Register objects. Given the declaration
of the array below, which code snippet correctly allocates Cash Register objects
from the heap for the entire array?
CashRegister* all_registers [20];
for (int i = 0; i < 20; i++)
{
O
O
}
for (int i = 0; i < 20; i++)
{
all_registers [i] = new CashRegister;
all_registers [i] = new Cash Register [i];
}
for (int i = 0; i < 20; i++)
Of
}
all_registers [i] = CashRegister;
}
for (int i = 0; i < 20; i++)
{
all_registers = CashRegister;
Transcribed Image Text:You are given the class definition for CashRegister, and you are writing client code to set up an array of pointers to Cash Register objects. Given the declaration of the array below, which code snippet correctly allocates Cash Register objects from the heap for the entire array? CashRegister* all_registers [20]; for (int i = 0; i < 20; i++) { O O } for (int i = 0; i < 20; i++) { all_registers [i] = new CashRegister; all_registers [i] = new Cash Register [i]; } for (int i = 0; i < 20; i++) Of } all_registers [i] = CashRegister; } for (int i = 0; i < 20; i++) { all_registers = CashRegister;
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