Jan 12, 2012 · class ClassX2 final : ClassX; allows fast clone/sort, but because the compiler assumes that future classes can not derive from ClassX2, class ClassX2 final : ClassX; class …

First of all, you can mark non-abstract classes final as well as fields and methods. This way whole class can't be subclassed. So, behavior of class will be fixed. I agree that marking methods …

I think final definition about variables is a bit short; "In Java, when final keyword is used with a variable of primitive data types (int, float, .. etc), value of the variable cannot be changed but …

Feb 1, 2009 · Short answer: final helps a tiny bit but... use defensive programming on the client side instead. Indeed, the problem with final is that it only enforces the reference is unchanged, …

「赤橙黄绿蓝紫」原本是在 Luxor 的 World Finals 期间组出来的队伍。在去年 CCPC Finals 裁判工作结束后，张勤健老师（北京大学的 ICPC 教练，同时也是我在 PKU 遇到的最好的恩师） …

Mar 6, 2018 · It differs though - final requires exactly one assignment even in constructor or initializer. There is no C# equivalent for a final local variable that I know of. If you are …

Apr 2, 2015 · The following code (with the final specifier) compiles. But compilation fails when final is replaced with override final. Thus override final conveys more information (and prevents …

May 20, 2018 · Final: final should be used over const if you don't know the value at compile time, and it will be calculated/grabbed at runtime. If you want an HTTP response that can't be …

Feb 9, 2016 · template< typename T > class Final { protected: Final() {} Final( Final const& ) {} }; class X : private virtual Final<X> { // whatever I want to do }; and you should find it impossible …

Jul 21, 2010 · final fields can be changed via reflection and other implementation dependent means. The only pattern in which this has reasonable semantics is one in which an object is …