Java Development Kit

The Java Standard Edition (SE) Java Development Kit (JDK) is available both stand-alone and bundled with Sun's (Oracle's) IDE, NetBeans. You can download either one from Oracle's web site at java.sun.com (www.oracle.com/technetwork/java). You will need JDK 1.5 or later, and you will find that earlier versions, such as 1.5, may only be available on the Previous Releases web page.

We need JDK 1.5 or later because that is the version of the JDK that has been included in the Oracle database: the Oracle Java Virtual Machine. We will discuss virtual machines shortly. We want to have at least that same revision level of Java on our workstation as on the Oracle database.

You can also download the Java Runtime Environment (JRE.) Because ...

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