need indentifier for class

Hello there.
i have this class which is 4 arrays that hold information
i want to be able to get the information that i need in different class where i call that class. what identifier should i use to do that?
you can see my code here :

public class ArrayInfoHolder {
	public static  { //need identifier
		  String[]		UsernameArray	=	{"user1","user2","user3"};				
		  String[]		PasswordArray	=	{"pass1","pass2","pass3"};				
		  String[]		numbers1			=	{"1234","2345","3456"};							
		  String[] 		numbers2			=	{"4321","3214","2143"};
	
	}
}