Tip Bank

Question: I am trying to write a Java applet which canretrieve data from the user and then write itto a file on the server. Unfortunately I do nothave the access

Question: How do you calculate sqrt()? Answer: Of course the best way to compute square roots is to useMath.sqrt(),but I assume your question is academic. I’m not sure of the

Question: How do you lock a file in Java to prevent simultaneous multipleaccesses? Answer: If you’re concerned about simultaneous access by independent processes,you’ll have to rely on the host OS

Question: I have a server application listening for clientapplets to connect. The server spawns a new thread each timea connection to a client is established. I want to keeptrack, i.e.

Question: What is the purpose of the Thread.interrupt()method? I expect that if I call the interrupt()method of a sleeping thread, anInterruptedException will be thrown. Here is aquick code sample showing

Question: What is the maximum size of a string array I can have in my applet?I am trying to store some stock prices in a string array after reading themfrom

Question: This may be too vague, but:I spawn a thread (after a button click) which bringsup a new window. This works great on my PC runningNetscape 3.0 and Internet Explorer,

Question: Is it possible to launch another application from aJava application (not an applet)? Answer: Yes. There are two classes of interest for performingsystem level functions such as this: java.lang.Runtime

Question: I am new to Java and am currently trying toassociate idioms and techniques from otherlanguages/environments with like capabilities inJava. Specifically, I am trying to determine howto perform inter-thread and