Web and email hosting - Chapter 2: Running Canned Java Programs 25 Downloading
Chapter 2: Running Canned Java Programs 25 Downloading Java If the previous instructions are too quick for you, you can follow this section s detailed instructions. The Sun Microsystems Web site changes from week to week. By the time you read this book, my detailed instructions may be obsolete. So as you read these instructions, be ready for some surprises. Be prepared to do some hunting on Sun s Java Web site. Expect to find a few options that were added to the site after I wrote this chapter. If you get lost, check this book s Web site for more up-to-date instructions. Here are the detailed instructions for downloading the Java JDK: 1. Visit java.sun.com. 2. On the java.sun.com home page s right margin, look for something called Popular Downloads. 3. Under Popular Downloads, look for a Java SE 6 link. By the time you read this book, it may be a Java SE 6 Update 2 link, or a plain old Java SE link (with no number). In any case, click this link. The next thing you see is a page full of download links. What s in a name? The numbering of Java s SDK versions is really Java 2 JDK, 5.0 (2004): Sun reverts to JDK confusing. Instead of Java 1, Java 2, and and gives up on the silly 1.x numbering Java 3, the numbering of Java versions winds scheme. through an obstacle course. Here s how it Java 6 JDK (2006): Sun drops the unnecesworks: sary 2 and gets rid of the .0 too. Java JDK 1.0 (1996) To make things worse, the file-numbering Java JDK 1.1 (1997) scheme isn t consistent with the product numbering scheme. So when you install Java 6 JDK, Java 2 SDK, 1.2 (1998): Sun Microsystems you get a directory named jdk1.6.0. The 1.x added an additional 2 and changed numbering returns to haunt you, and so does JDK (Java Development Kit) to SDK the .0 decimal point business. (Software Development Kit) You can find the old versions of Java, along with Java 2 SDK, 1.3 (2000) all the intermediate releases not listed here, at Java 2 SDK, 1.4 (2002) java.sun.com/products/archive.
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