It is solely an image of a single bean with a vertical slit. The bean is sort of "sitting" down, and appears to be a Java Bean. The bean is slightly taller than a typical java bean.
This is a Java Bean icon. We've made it in
iOS style, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,100 icons, all in the same style and quality.