December 1999
Intermediate to advanced
816 pages
20h 27m
English
Content preview from PURE Java™ 2
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Some Important Common Classes
The following is a short list of classes that every Java developer needs to understand. More than one of these classes will be used in just about any commercial program.
| String | Vector |
| Date | Properties |
| Object | Calendar |
| Class | Thread |
| System | Wrapper classes |
| Runtime | Arrays |
You'll explore these classes in the following sections.
String
Just about the most common class used in Java programs, besides Object (which is always the base class of every other class, so it's used implicitly), is the String class. Unlike C, a String in Java is not merely a contiguous set of characters in memory, followed by a null terminator, \0. Instead, Java Strings are objects, with properties and behaviors. The JVM has a special place in which ...
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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.
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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.