The second column in the table below has links to zip files for each demo that you can open and run in the NetBeans IDE. Compiling and Running the Examples Locally Afterward, the examples should execute more quickly. The first time you run an example, there will be a delay while Java Web Start downloads the JAR file containing the class files for this lesson's examples. To run an example using Java Web Start, click the link in the first column of the table. Most examples will run on an earlier release but you must compile and run them locally. NOTE: Release 7.0 is required to run all applets and Java Web Start examples.