Question: Is there a way to determine the number ofinstantiated objects of a certain class? Answer: Unfortunately, there are no methods of class Object orClass thattrack the number of extant
Question: I’ve been to sites where dialog boxes appear. How can I create one?I also want to ask users for their names, and then to be able to tell how
Question: How can I respond to a mousedown event in a TextField? Answer: From the Java 1.0.2 API specs:“In Java 1.0, the AWT does not send mouse or focus events
Question: How can I append to a file in Java?The file is ASCII. It exists. The program hasrights to the file. I just need to add to the endof the
Question: I would like to create a very simple applet that pings anIP address and returns a message stating whether that IP is alive. Icouldn’t find any straightforward answers to
Question: How do I use the .net classes to log on to a mailserver and request, say, the number of new mailmessages? Or send a message?Just POP3/SMTP. An example would
Question: What is the difference between the types’float’ and ‘Float’ in Java? Answer: A variable of type float contains an IEEE single precision number,while a variable of type Float contains
Question: Where can I find algorithms and data structures, techniques and programs that will better show me how they can be implemented using ANSI C? Other areas include Hashing, Heaps,
Question: I know that in order to pass something byreference, you pass an already-created objectand let the subroutine modify the contents ofthat object. Unfortunately, the Integer, String,etc. objects don’t allow