Polymorphism
Question: Given a reference to an object B that is a subclass of A and overrides method foo(), is there any way I can invoke the base implementation of foo()
Question: Given a reference to an object B that is a subclass of A and overrides method foo(), is there any way I can invoke the base implementation of foo()
Question: I’m building an application where the user can type several lines of text and save it to disk (as plain text). It would be nice if some words appeared
Question: I’m trying to get something like this to work. How can I take the output of a stored procedure and use it in a subquery? create procedure pcore asselect
Question: In a project tracking database, one of the columns in a table contains the date in this format: MM/DD/YY. I would like to be able to see a listing
Question: I have a server application that I want an applet client to connect with. How can the applet determine the address of the originating serverwithout having to hard-code the
Question: SQL Server 6.5 does not allow an index to be placed on the bit datatype. Does this affect performance when doing queries that filter on the bit, or are
With embedded combinations of loops, conditions, and try / catch statements, it can be difficult to keep track of where each section ends when quickly scanning your Java code, even
When writing javadoc-style comments, use HTML tags to improve the readability of the generated documented. For example: /** * This is the first paragraph. * This is the second paragraph.
If you have two or more classes that need to share some constant value(s), but you want the classes to be independent of each other, define the constant values in