June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Exercises
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Measure the difference between buffered and non-buffered I/O operating with 10K 1-byte writes and one 10KB write, repeated 10,000 times in a loop. Draw a graph to illustrate your results. How do the results change with a buffer size of 128KB, 256KB, 512KB?
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Modify the program that does a hex dump of a file so that it also outputs any printable bytes in a set of columns to the right of the hex dump on each line. Print the character if it has a printable form, and print a “.” if it does not. This ensures that lines are the same length and columns line up.
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Write a Java program whose output at run-time is an exact duplicate of the program's source code. Now that we have printf, the shortest Java program to do this is well under ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.