java.io.FileOutputStream

is imported to:

.   bluej
.   bluej.debugmgr
.   bluej.editor.stride
.   bluej.groupwork
.   bluej.pkgmgr
.   bluej.utility
.   greenfoot.core
.   greenfoot.export
.   greenfoot.importer.scratch
.   greenfoot.platforms.ide
.   greenfoot.util