Convert Array to Map in Java

import java.util.Map; import org.apache.commons.lang.ArrayUtils; public class Main { public static void main(String[] args) { String[][] countries = { { "Brazil", "Brasilia", "United States", "New York" }, { "United Kingdom", "London" }, { "Netherland", "Amsterdam" }, { "Japan", "Tokyo" }, { "France", "Paris" } }; Map countryCapitals = ArrayUtils.toMap(countries); System.out.println("Capital of Brazil is " + countryCapitals.get("Brazil")); System.out.println("Capital of Japan is " + countryCapitals.get("Japan")); } }