The world's most famous coffee blend; full-bodied, bittersweet chocolate overtones enhance mocha-java's rich, complex flavors. mocha-java is the world's most famous coffee blend. when someone first thought of combining these two origins, it was before coffee was widely grown around the world. these two coffees were undoubtedly much different from those which the countries of yemen and indonesia produce today, although yemen still produces its coffee under very primitive conditions.