Download of SpinnerDemo 7.0.50.255 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free program is The Java(tm) Tutorial: Sun Microsystems, Inc.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The software relates to Development Tools. The most popular versions among the software users are 7.0 and 6.0.
From the developer:
Spinners are similar to combo boxes and lists in that they let the user choose from a range of values. Like editable combo boxes, spinners allow the user to type in a value. Unlike combo boxes, spinners do not have a drop-down list that can cover up other components.
You may want to check out more software, such as GnuWin32: LibIconv, SplitPaneDemo or RCON4COD, which might be similar to SpinnerDemo.