Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Object Oriented Programming System (OOPs) is a programming model built on the perception of “objects” that contains data and methods. The major purpose of Object Oriented Programming is to increase the maintainability and flexibility of programs. Object …
Question

need help with clearing space in c++

How do you release the memory at the end? #include <iostream> using namespace std; int main(){ int a = 5; int *p = &a; int *c = new int[5]; //release memory return 0; } delete p; delete [] c; delete c; delete p; delete c; delete | c;
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Transcribed Image Text:How do you release the memory at the end? #include <iostream> using namespace std; int main(){ int a = 5; int *p = &a; int *c = new int[5]; //release memory return 0; } delete p; delete [] c; delete c; delete p; delete c; delete | c;
Which line can free the space correctly? int* foo(int x){ int *y = new int[x*x]; return y; } int main(){ int Z = foo(10); //free space return 0; } delete | z delete *z delete z delete | *z
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Transcribed Image Text:Which line can free the space correctly? int* foo(int x){ int *y = new int[x*x]; return y; } int main(){ int Z = foo(10); //free space return 0; } delete | z delete *z delete z delete | *z
Expert Solution
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EXPLANATION

1) The correct answer of the question is option("d") "delete[] c;

EXPLANATION


Delete is an operator that is used to remove artifacts that are generated by new expression for array and non-array objects.
Delete can be used with the operator Delete or Delete [].
The new operator is used to assign dynamic memory, placing heap memory variables.
The means that Delete operator transfers heap memory.
The object pointer is not lost, value or memory block is destroyed by the pointer.
The delete operator does not return the value of the delete form.

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