https://twitter.com/jamie_allen/status/356808041833836544

Main.java

public class Main 
{
  static class Number
	{
		final int value;

		public Number(int value) {
			this.value = value;
		}
	}
	
	public static void main(String[] args) 
	{
		Number one = new Main.Number(1);
		Number two = new Main.Number(2);
		
		System.out.println(one.value);
		System.out.println(two.value);
	}
}