Memory & Runtime

What happens under the hood: stack, heap, garbage collection and resource cleanup.

1. 5.1

   Stack & heap

   • Where values live
   • Boxing & unboxing
   • The stack, the heap and boxing— Where your data actually lives while a program runs — and the hidden cost of boxing.11 min
2. 5.2

   Garbage collection

   • Generations
   • When GC runs
   • Finalizers
   • The garbage collector— How .NET finds and frees unused objects, why it uses generations, and how memory still leaks.12 min
3. 5.3

   Resource cleanup

   • IDisposable
   • using statements
   • Span<T> basics
   • IDisposable and using— Release files, connections and other resources deterministically with IDisposable and using.11 min
   • Span<T> and allocation-free code— Work with slices of arrays and strings without copying, using Span<T> and ReadOnlySpan<T>.11 min