public static final Number N(int i) { return new Integer(i); }
public static final Number N(long l) { return new Long(l); }
public static final Number N(double d) { return new Double(d); }
public static final Number N(int i) { return new Integer(i); }
public static final Number N(long l) { return new Long(l); }
public static final Number N(double d) { return new Double(d); }