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Arrays and objects....

 
Greenhorn
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Hey,
I'm trying to write a program which reads in a sequence of lines, containing a name and telephone number and sorts it into an alphabetically ordered telephone directory. I was just wondering if anyone would be able to tell me how I could read in an unlimited amount of input...??
Thanks in advance...
 
Ranch Hand
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Well, you can't just read in an unlimited amount of input. There are system and memory limitations depending on what you are running on. What you could do is read in a certain amount, process it, save it, and then get the next chunk.
 
author and iconoclast
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Instead of using an array, which has to be allocated at a specific, fixed size, you can use a List (for example, java.util.ArrayList) which grows as needed. In JDK 1.5:

 
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