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CS 302 Data Structures

CS 302 Data Structures. C++ Interlude 2 Pointers, Polymorphism, and Memory Allocation. Review. What is a template? How do we declare one? How do we use one?. Memory Allocation. int a; Where is a? int * a_ptr ; Allocate memory and have a_ptr point to it. Where is that memory?.

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CS 302 Data Structures

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  1. CS 302 Data Structures C++ Interlude 2 Pointers, Polymorphism, and Memory Allocation

  2. Review • What is a template? • How do we declare one? • How do we use one?

  3. Memory Allocation • int a; • Where is a? • int * a_ptr; • Allocate memory and have a_ptr point to it. • Where is that memory?

  4. Figure C2-2 Sample program memory layout

  5. Figure C2-3 Run-time stack and free store.

  6. Memory Allocation • What is a memory leak? • How do you create one? • How do you de-allocate memory? • What is a dangling pointer? • Please declare an array of integers. • Please declare a dynamically allocated array of integers.

  7. End of C++ Interlude 2

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