//demonstrate a static field
//only one copy of the field in memery, for all instances

public class eg14_Countable
{
	private static int unique_instanceCount = 0;
	public int my_Number = 0;
	
	/** constructor increments the staic field instanceCount.
	This keeps track of the number of instancts this class
	that are created. **/
	
	public eg14_Countable(int no)
	{
		unique_instanceCount = unique_instanceCount + 1;
		my_Number = no;
	}
	
	public int get_unique_instanceCount()
	{
		return unique_instanceCount;
	}
	
	public int get_my_Number()
	{
		return my_Number;
	}
}