Jerusalem is both the capital of Israel and also one of the four holy cities. The others are: Hebron, Zefat and Tiberias.
Jerusalem is the home of the Wailing Wall or Kotel, the last remaining wall of the Second Temple, and this is the holiest site in Israel.
Answer: Jerusalem is the holy city of the Jewish religion.
What is sacred to both are the Torah, Psalms, and the Old City of Jerusalem.
Jerusalem
Jerusalem is a city, so the question is nonsensical. In Jerusalem, the Temple Mount (Har Ha-Bayit or Haram Ash-Sharif) is sacred to both Judaism and Islam.
Judaism is not a sacred text, it is a religion and that religion happens to have a sacred text. To learn more about Judaism's Sacred Text, read the Related Question.
No. The cow is the sacred animal in Hinduism, not Judaism.
The equivalent sacred text in Islam to the Torah in Judaism is the Quran.
The Torah
Mecca
Judaism accepts parts of the Christian Bible as sacred, but treats the entire Jewish Bible as sacred.
Judaism
No. The sacred writing of Judaism is the Bible, also called the Tanakh. The Vedas are one of several Hindu Holy Books.
Judaism has no sacred people. All people are equal in God's eyes. There are different classes of people in Judaism; Cohen - priests, Levites and regular Israelites.