Dynamic Memory Allocation in C++ with Memory Diagrams
Explore the concept of dynamic memory allocation in C++ through detailed memory diagrams and code examples. Learn about heap, stack, pointers, object creation, memory management, and potential pitfalls like dangling pointers. Dive into the fundamentals of memory handling in programming.
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Presentation Transcript
How Dynamic Memory Works with Memory Diagram CSCE 121
output heap identifier stack
output int main() { int i = 14; int* k = &i; k = new int(3); delete k; Date* w = new Date(7, 7, 2015); delete w; w k 14 i w = nullptr; } heap identifier stack
output int main() { int i = 14; int* k = &i; k = new int(3); delete k; Date* w = new Date(7, 7, 2015); delete w; w k 14 i w = nullptr; } heap identifier stack
output int main() { int i = 14; int* k = &i; k = new int(3); delete k; Date* w = new Date(7, 7, 2015); delete w; w 3 k 14 i w = nullptr; } heap identifier stack
output int main() { int i = 14; int* k = &i; k = new int(3); delete k; Date* w = new Date(7, 7, 2015); delete w; w 3 k 14 i w = nullptr; } heap identifier stack
class Date { public: }; int month; int day; int year; // constructors Date(); Date(int month, int day, int year); // accessors and mutators int getMonth(); void setMonth(int month); int getDay(); void setDay(int Day); int getYear(); void setYear(int year); // methods void printDate();
output int main() { int i = 14; int* k = &i; month 7 day 7 k = new int(3); 2015 year delete k; Date* w = new Date(7, 7, 2015); delete w; w 3 k 14 i w = nullptr; } heap identifier stack
output int main() { int i = 14; int* k = &i; month 7 day 7 k = new int(3); 2015 year delete k; Date* w = new Date(7, 7, 2015); delete w; w 3 k 14 i w = nullptr; } heap identifier stack
output int main() { int i = 14; int* k = &i; month 7 day 7 k = new int(3); 2015 year delete k; Date* w = new Date(7, 7, 2015); delete w; w 3 Dangling Pointer k 14 i w = nullptr; } heap identifier stack
