Mastering Javanese will take from you 36 hours or 900 weeks in a class according to FSI. Difficulty category for mastering it is evaluated - point.
Learning Arabic might seem like a overwhelming thing to do. FSI has concluded that it takes 2200 hours or 88 weeks in a class to learn the language. The difficulty point is 3.
You will most likely find people, who speaks Javanese in Malaysia, the Netherlands, Singapore, Papua, Sulawesi, Maluku, Kalimantan, Sumatra, Indonesia, Suriname and New Caledonia.
Number of native speakers is about 75,000,000.
Number of fluent speakers is about 75,500,000. The biggest country in which Javanese is used as a native language is Java, Indonesia.
Native speakers of Arabic are mostly from Saudi Arabia and are about 15,000,000 people.
Arabic are spoken fluently by 10,000,000 people.
The language is spoken in Saudi Arabia, Algeria, Bahrain, Chad, Djibouti, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Morocco, Oman, Palestinian West Bank and Gaza, Qatar, Somalia, Sudan, Syria, Tunisia, Mauritania, United Arab Emirates, and Yemen.
Javanese came from Malayo-Polynesian branch of the Austronesian language family.
Semitic family of languages is the origin of Arabic language.