Applications that are free from memory leaks but perform dynamic memory allocation and deallocation frequently tend to show gradual performance degradation if they are kept running for long periods. Finally,
Templates can have default type parameters. The compiler uses these default types when you don’t provide them explicitly in a template instantiation. For example: template < class T1=char, class T2=char
Hardcoded literal strings can become a serious maintenance problem. Suppose you have numerous message boxes in your application that display a hardcoded text message and you want to change that
Question: How do I write a Java program that generates random numbers withinlimits, such as 1 to 100, or 1 to 1000? Answer: The java.util package includes a Random class
Question: How do I determine if a Unix process has stopped writing to a file,so that my Java program can start reading it? Answer: If you are not able to
Question: How do I set a default for a date field having sysdate, current_date or date as the value? Answer: To use the current date as a default value in
Question: Is it possible to have a trigger invoke code in a running application (either via a register-notify type of thing or by calling entry points of a DLL or…)?
Question: Is there a significant speed advantage to using Hashtables over Vectors? Answer: The answer depends on how you are using those containers classes. Ifyou are only using them for
Question: I need to extend class A which resides in a different package, butclass A has only one constructor which is package protected. I get a compile error in class