What is memory leak?

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Arti Mishra · Accepted Answer

Memory Leak :
A Memory leak occurs when we create a memory in heap areas and forget to delete it. And it also happens when we create any objects multiple times and we can’t accessed by the running source code. 
And the most powerful disadvantage of memory leak is, it reduces the performance of the computer system and also waste the space of memory.
Here is the C Language example where we can demonstrate the concept of memory leak.
Code for allocation of Memory Leak
#include andlt;stdlib.handgt;; 
void memoryLeakFunction()
{
and and int *ptr = (int *) malloc(sizeof(int)); // allocate dynamic memory
and and ...................
and and ..................... // Write some code here 
and and ....................
and and return; /* Return without freeing ptr* var/
}
Code for avoiding Memory Leak allocated on heap area.
#include andlt;stdlib.handgt;;
void avoidMemoryLeak()
{
and and int *ptr = (int *) malloc(sizeof(int)); // allocate dynamic memory
and .................
and ................... // Write some code here 
and ...................
and and free(ptr); // free() is used for deallocate the memory 
and and return;
}

What is memory leak?

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What is memory leak?

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