LanguageDipertuturkan languages in Java (Java language white)
Dipertuturkan three main languages in Java is Javanese, Sundanese, and Madurese language. Other languages dipertuturkan include Betawi (a local dialect of Malay in the Jakarta area), Osing language and language Tengger (closely related to the Java language), Bedouin language (closely related to Sundanese), Kangean language (a language closely related to Madura), the Balinese language, and language Banyumasan.  The majority of the population able to speak the Indonesian language, which generally is their second language.[Edit] Religion and beliefs
Java is the arena of meetings of various religions and cultures. India is a cultural influence that comes first to the Hindu religion, Shiva and Buddha, which penetrates deeply and blend with the customs and cultural traditions of Javanese society.  The brahmins and poets royal palace of the kings of power legitimize Javanese and Hindu cosmology linking with their political constitution.  Although the later religion of Islam is the religion of the majority, small pockets of Hindus spread across the island. There is a significant Hindu population along the east coast near the island of Bali, especially around the town of Banyuwangi. While the Buddhist community in general, there are now large cities, especially among the Chinese-Indonesian.
A collection of Muslim gravestones are finely carved with the inscription in Old Javanese and Arabic language is not found in the calendar year since 1369 in East Java. Damais concluded it was the tomb of the Javanese are very respectable, maybe even the nobility.  MC Ricklefs argues that these are sensible that Muslim Sufi-mystical, magical force that may be considered, are agents that cause the conversion of the Javanese court elites, who have long been familiar with the mystical aspects of Hinduism and Buddhism.  An epitaph a Muslim named Maulana Malik Ibrahim that many 1419 (822 AH) was found in Gresik, a coastal port in East Java. Javanese tradition as foreigners call it non-Java, and is considered one of the nine first propagator of Islam in Java (Walisongo), although there is no written evidence to support this oral tradition.Currently more than 90 percent of the Javanese embraced Islam, the spread between the shades of belief abangan (more syncretic) and students (more orthodox). In a boarding school in Java, clerics continued role as a religious leader in the Hindu sages. The students and communities around the cabin generally helped to provide its needs.  pre-Islamic tradition in Java also has made the understanding of Islam some people tend toward the mystical. Javanese society there are groups with less structured under the leadership of religious figures, which combines the knowledge and practices of pre-Islamic with Islamic teachings. 
Roman Catholicism arrived in Indonesia at the time of arrival of the Portuguese in the spice trade.  began to spread Catholicism in Central Java when Frans van Lith, a priest from the Netherlands, came to Muntilan, Central Java in 1896. Protestantism arrived in Indonesia at the start of the colonization of the Dutch East Indies Company (VOC) in the 16th century. VOC policy that prohibits the spread of Catholicism to significantly increase the percentage of Protestants in Indonesia.  The Christian community is mainly found in large cities, although in some areas in south-central Java villages whose inhabitants have embraced Catholicism. There are cases of religious intolerance that befell Catholics and other Christian groups. 
In 1956, the Office of the Ministry of Religious Affairs in Yogyakarta reported that there are 63 sects in Java cult that is not included in official religions in Indonesia. Of these, 35 are in Central Java, 22 in West Java and East Java 6.  The various streams of trust (also called the Javanese or psychotherapy), the famous among them is Subud, has a number of members that are difficult to estimate because many followers identify themselves with one of the official religion anyway