Download NetBeans IDE from http://www.netbeans.org/downloads/. To configure the SDK for Netbeans with Mobility Pack:
In NetBeans, click Tools > Java Platforms. In the Java Platform Manager window, click Add Platform to begin the Add Java Platform wizard.
In the Select platform type page, select Java ME MIDP Platform Emulator, and then click Next.
In the Platform Folders page, select the required version of Nokia Asha SDK, ensure other SDKs are deselected, and then click Next.
In the Detected Platforms page, click Next, and then click Finish to end the Add Java Platform wizard.
The selected SDK is now available in the Java Platform Manager. Click Close to complete the configuration.