If you like, you can also download IntelliJ IDEA Community Edition (or Ultimate if you have the budget - that is what I use for my work) - www.jetbrains.com/idea/download. As long as you have enough bytes free on your disk, it might be a good idea to have all three IDEs: Apache NetBeans, IntelliJ IDEA and Eclipse, so that you can become familiar with all of them.
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