SHOW DATABASES from jdbc

[Sascha Monteiro]

Hi,

I need to check which databases are present, and put them in an ArrayList.
I always get a nullpointer exception, here is part of my code:
public ArrayList List(cfg c){
String url = "jdbc:mysql:";
String driver = "com.mysql.jdbc.Driver";
int cntX = 0;
ArrayList db = new ArrayList();
try {
Class.forName(driver);
Connection conn = DriverManager.getConnection(""+url+"//"+c.getMYSQLserverIP()+"/mysql?user="+cryptic.decryptString(c.getMYSQLuser()).trim()+"&password="+cryptic.decryptString(c.getMYSQLpsw()).trim());
Statement stmt = conn.createStatement();
System.out.println("connected");
ResultSet rs;
String _listDB = "SHOW DATABASES LIKE 'y%'";
rs = stmt.executeQuery(_listDB);
while ( rs.next() ) {
String r = rs.getString("Database (y%)");
db.add(r);
}
conn.close();
return db;
}

Is this possible? Am I doing something wrong? Or is there another way to accomplish this?
(I need a list of db's so I can run Stored Procedures in them)
I am using MySql 5.0.2