import javax.swing.*;
import java.awt.*;

	public class lol extends JFrame
	{
		// Creating the components + global variables
		 ImageIcon[] array = new ImageIcon[51];{
		 ImageIcon[0] array = new ImageIcon("6.png");
		 }
		 JLabel picture = new JLabel();

		//Creating the constructor for the class
		public lol()
		{
			// Creathe the compontents
	    	super("Combo Box");
	    	setSize(400,350);
	    	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    	setVisible(true);


		   	Container content = getContentPane();

		   	content.add(picture);

	    	//setContentPane(content);
	    	setContentPane(content);

	    	picture.setIcon(array[51]);

    	}

		public static void main (String[] args)
    	{
    		//Creating an instance of my class
    		lol game = new lol();
		}

	}

Exception in thread "main" java.lang.Error: Unresolved compilation problem:

	at lol.main(lol.java:33)