Boxing is the implicit conversion of a value type to a reference type.
Unboxing is the explicit conversion of the reference type created by boxing back to a value type.
Let’s see a sample code snippet -
// int int myVal = 12; // Boxing object myBoxed = myVal; // Unboxing int myUnBoxed = (int) myBoxed;
Let’s see another example of displaying an array list in C# -
int a = 5; ArrayList arr = new ArrayList(); // Boxing arr.Add(a); // UnBoxing int b = (int)arr[0];
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