¡@
java Programming Glossary: safetyWhy would you ever implement finalize()? http://stackoverflow.com/questions/158174/why-would-you-ever-implement-finalize you're cleaning up after a buggy caller. It provides extra safety in an exceptional buggy situation. Not every caller is going..
What is the point of the class Option[T]? http://stackoverflow.com/questions/2079170/what-is-the-point-of-the-class-optiont It may gently prod you but if you want to fall back to no safety net it's your choice. EDIT You nailed it here is the only advantage.. another way the main advantage of Option T over T is type safety. It ensures you won't be sending a T method to an object that..
http://stackoverflow.com/questions/2660827/java-generics-covariance if ln were aliased with li then it would break the type safety promise implicit in the definition of li that it is a list of..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it type List Object . As a consequence you lose type safety if you use raw type like List but not if you use a parameterized.. then this would compile and you'd therefore lose the type safety that you get from generics. See also What is the difference.. the other hand since the raw type List does not have type safety you can add just about anything to a List . Consider the following..
String, StringBuffer, and StringBuilder http://stackoverflow.com/questions/2971315/string-stringbuffer-and-stringbuilder
Socket using in a swing applet http://stackoverflow.com/questions/3244400/socket-using-in-a-swing-applet invokeLater . In addition the code relies on the thread safety of append . Finally it incorporates a handy tip from the article..
http://stackoverflow.com/questions/3847162/java-generics-super-keyword a List Serializable since that violates the generic type safety rule. Hence it is NOT true that you can add any supertype of..
What is the point of the diamond operator in Java 7? http://stackoverflow.com/questions/4166966/what-is-the-point-of-the-diamond-operator-in-java-7 bother with the diamond at all What new functionality type safety does it allow If it doesn't yield any new functionality why.. to type those parameters again. It allows you to keep the safety of generics with almost the same effort as using the raw type...
How do I address unchecked cast warnings? http://stackoverflow.com/questions/509076/how-do-i-address-unchecked-cast-warnings Eclipse is giving me a warning of the following form Type safety Unchecked cast from Object to HashMap String String This is.. HashMap items getItems session items.put this that Type safety The method put Object Object belongs to the raw type HashMap...
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation creation How can I implement this while maintaining type safety I saw a solution on the Java forums that goes like this import.. with at run time and therefore can not provide type safety unless some explicit mechanism type checking is implemented...
How do synchronized static methods work in Java? http://stackoverflow.com/questions/578904/how-do-synchronized-static-methods-work-in-java method synchronized is the right approach to ensure thread safety. I want this to prevent access of info to the same DB instance... method synchronized is the right approach to ensure thread safety. Not really. You should let that work do your RDBMS instead...
Why can't strings be mutable in Java and .NET? http://stackoverflow.com/questions/93091/why-cant-strings-be-mutable-in-java-and-net is far and away the easiest approach to achieving thread safety. In fact no thread can ever observe any effect of another thread..
|