c# - Direct casting vs as operator? - Stack Overflow Direct Casting Types don't have to be strictly related It comes in all types of flavors Custom implicit explicit casting: Usually a new object is created Value Type Implicit: Copy without losing information Value Type Explicit: Copy and information might be lost IS-A relationship: Change reference type, otherwise throws exception
Regular cast vs. static_cast vs. dynamic_cast - Stack Overflow Static cast is also used to cast pointers to related types, for example casting void* to the appropriate type dynamic_cast Dynamic cast is used to convert pointers and references at run-time, generally for the purpose of casting a pointer or reference up or down an inheritance chain (inheritance hierarchy) dynamic_cast (expression)
c++ - When should static_cast, dynamic_cast, const_cast, and . . . The C-style casts can do virtually all types of casting from normally safe casts done by static_cast<> () and dynamic_cast<> () to potentially dangerous casts like const_cast<> (), where const modifier can be removed so the const variables can be modified and reinterpret_cast<> () that can even reinterpret integer values to pointers
casting - Explanation of ClassCastException in Java - Stack Overflow Do you understand the concept of casting? Casting is the process of type conversion, which is in Java very common because its a statically typed language Some examples: Cast the String "1" to an int, via Integer parseInt("1") -> no problem Cast the String "abc" to an int -> raises a ClassCastException Or think of a class diagram with Animal class, Dog class and Cat class
Safe casting in python - Stack Overflow Casting has sense only for a variable (= chunk of memory whose content can change) There are no variables whose content can change, in Python There are only objects, that aren't contained in something: they have per se existence Then, the type of an object can't change, AFAIK Then, casting has no sense in Python That's my believing and opinion Correct me if I am wrong, please As
casting - Converting double to integer in Java - Stack Overflow is there a possibility that casting a double created via Math round() will still result in a truncated down number No, round() will always round your double to the correct value, and then, it will be cast to an long which will truncate any decimal places
Type-casting in C++ - Stack Overflow Casting one of the operands of to double which will lead to the other getting implicitly converted to a double too, and thus the division (and its result) would now be floating-point Had you been doing just double x = a;, you can do away with the explicit conversion since an int is implicitly converted to a double (live example)
Casting variables in Java - Stack Overflow Regarding use for casting, you still see the need for it in some libraries Pre Java-5 it was used heavily in collections and various other classes, since all collections worked on adding objects and then casting the result that you got back out the collection
casting - How to cast or convert an unsigned int to int in C? - Stack . . . The real question is what you want to do when if the value in the unsigned int it out of the range that can be represented by a signed int If it's in range, just assign it and you're done If it's out of range, that'll give an unspecified result so you'll probably want to reduce it the right range first, or assign it to a larger signed type