In the early 2010s, before smartphones dominated, millions of people used "feature phones" from brands like Nokia and Samsung that ran on . For these devices, apps were packaged as .jar (Java Archive) and .jad (Java Application Descriptor) files.
But for staying in touch with family and friends on WhatsApp, it’s time to move on. The Java ship has sailed — catch the Android or KaiOS boat instead. whatsapp java jar