when i run this program without ''static '' keyword .it runs fine,but with '''static'' keyword it shows error. : class Ideone
{
       
   static final int iop;// your code goes here
	public Ideone()
    {
	    iop=56;		
		System.out.println(iop);
	
	}
	public static void main (String[] args) throws java.lang.Exception
	{
	  new Ideone();
	  	
	}
}