August 2004
Intermediate to advanced
480 pages
9h 41m
English
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Real Numbers
The Java floating point types are float and double. Floating point types are numbers with a decimal place.
float
Occupies 32 bits or 4 bytes, with 6 or 7 significant digits
Default value of 0.0
Range: 6-7 significant decimal digits
Example: 3.1459F
You specify the float by placing an F literal after the float value. If you don't, the compiler will treat your number as a double.
Java floating point numbers follow the IEE754 specification, which includes positive and negative signed numbers, positive and negative zero, and a special value referred to as NaN (Not a Number).
NaN is used to represent the result of an illegal or invalid operation, such as an attempt to divide by zero. The Float and Double wrapper classes both have a method ...
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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.