December 1999
Intermediate to advanced
816 pages
20h 27m
English
Content preview from PURE Java™ 2
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Chapter 24. java.lang
This chapter provides a quick reference for the interfaces, classes, and methods in java.lang. This is the core package in the Java 2 SDK, and it defines the basic pieces that all other classes depend on, whether they are part of the Java 2 SDK, or user-defined classes. This package has many classes and interfaces which are used frequently, such as String, Class, Thread, Exception, and System. The System class is the basic class for console output. To use it, type
System.out.println(some primitive or object);
The class Class is used to interrogate other classes and to help load classes dynamically into memory (for example, a JDBC driver). The String class is used to represent character strings. The System class provides ...
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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.