The "Custom Setup" window offers the chance to select which parts of the JDK you want to install. Until you are more familiar with the JDK, it's best to stick with the default settings. Click the “Next” button.
By Paul Leahy, About.com Guide
The "Custom Setup" window offers the chance to select which parts of the JDK you want to install. Until you are more familiar with the JDK, it's best to stick with the default settings. Click the “Next” button.