Tip Bank

Question: Is the JDBC Connection class thread safe? In other words, can a connection be shared between multiple threads without using synchronization? Answer: java.sql.Connection is actually an interface and not

Question: I’m opening a file for reading, and after reading its contents I write it all to other file. Now I want to delete the original file. How do I

Question: What is the SocketImpl class used for? Answer: SocketImpl is an abstract class that provides an interface for customizing socket implementations. Subclasses of SocketImpl are not intended to be

Question: How can I dynamically load a class and call its constructor which has a primitive data type as one of its parameters? Answer: Using reflection to dynamically instantiate a

Question: In a code I’m developing, I am getting a “can’t find project or library” error message when it gets to the following functions: Chr(), Right(), Left(). Aren’t these VB

Question: Is Java platform-dependent where the case sensitivity of filenames is concerned? In Unix, filenames are case sensitive whereas in Windows they are not. How does it work when Java

Question: We need to create a view based on about 1600 tables. One of the problems is that we cannot enter all of the query into the buffer because the

Question: How can I get out the value of a blob to print out on a web page using Java? I am using a cursor to get out all the

Question: Is there code to reload a whole page when it is resized? The page with the layers is nested in a frame which is opened in other page. When