Can someone write this in java? Also, does anyone know how to do Edhesive assignments?

Which number on the image above correctly indicates the name of a folder in this url? a.1b.2c.3d.4

The most complicated four letter word

Technician a says that a dry sump system uses no oil storage sump under the engine. technician b says that a wet sump system uses no oil storage sump under the engine. who is correct?