class NumToStr {
	public static void main(String[] args) {
		int i    = 40;
		float f  = (float) 100.0;
		long l   = 3000000;
		String s = new String();

		s = String.valueOf(i);
		System.out.println ("int i = " + s);
		s = String.valueOf(f);
		System.out.println ("float f = " + s);
		s = String.valueOf(l);
		System.out.println ("long l = " + s);
		s = new Integer(i).toString();
		System.out.println ("int i = " + s);
		s = new Float(f).toString();
		System.out.println ("float f = " + s);
		s = new Long(l).toString();
		System.out.println ("long l = " + s);
	}
}