C++: Difference between revisions
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===Memory=== | ===Memory=== | ||
==== Garbage Collection ==== | ==== Garbage Collection ==== | ||
Traditional C++ does not have garbage collection. | Traditional C++ does not have garbage collection.<br> | ||
After using <code>new</code> to allocate an object, use <code>delete</code> to deallocate it. | After using <code>new</code> to allocate an object, use <code>delete</code> to deallocate it. <br> | ||
You can also use C allocation with <code>malloc</code>, <code>calloc</code>, <code>alloca</code>, and <code>free</code>, though it is [https://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-and-or-new not recommended] since these are not type-safe. | You can also use C allocation with <code>malloc</code>, <code>calloc</code>, <code>alloca</code>, and <code>free</code>, though it is [https://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-and-or-new not recommended] since these are not type-safe.<br> | ||
In C++14, you can use [https://en.cppreference.com/w/cpp/memory/shared_ptr shared pointers] which does have automatic garbage collection. | In C++14, you can use [https://en.cppreference.com/w/cpp/memory/shared_ptr shared pointers] which does have automatic garbage collection. | ||