class CellInfo 
implements CellInfoInterface
{
	
	private String timeTaken;
	
	private int intensity;
	
	private int row;
	
	private int col;
	
	public CellInfo()
	{
		timeTaken = DATE_TIME_NA;
		intensity = NO_DATA;
	}

	public void updatePosition(int row, int col)
	{
		this.row = row;
		this.col = col;
	}
	
	public int getRow()
	{
		return row;
	}
	
	public int getCol()
	{
		return col;
	}

	// set the cell's intensity to a new value
	public void updateIntensity(int newIntensity)
	{
		intensity = newIntensity;
	}

	// set the time the cell's GPR was done to a new value
	public void updateTimeTaken(String newTimeTaken)
	{
		timeTaken = newTimeTaken;
	}

	// return the cell's intensity
	public int getIntensity()
	{
		return intensity;
	}

	// return the time the cell's GPR was done
	public String getTimeTaken()
	{
		return timeTaken;
	}
	
	public String toString()
	{
		String str = "  " + row + "  ,  " + col + "\t" + intensity + "\t" + timeTaken;
		return str;
	}
}

// removes the node with highest priority
	public CellInfo pop()
	{
		System.out.println("POP!");
		
		if(head != null)
		{
			if(head.next == null)
			{
				CellInfo e = head.data;
				head = null;
				size--;
				return e;
			}
			
			Iterator iter = iterator();
			Iterator highest = iterator();
			//iter and highest are head node!
			
			CellInfo c = new CellInfo(); //ERROR: Unexpected type on "new CellInfo();
			c.getIntensity(); //ERROR: cannot find symbol method

                        //rest of stuff

import java.util.NoSuchElementException;import java.lang.StringBuilder;public class SurveyReport<CellInfo>implements SurveyReportInterface{	private static class Node<CellInfo>	{		public CellInfo data;		public Node<CellInfo> next;				public Node(CellInfo data, Node<CellInfo> next)		{			this.data = data;			this.next = next;					}	}	// a reference to the first node in the list (null if the list is empty)	private Node<CellInfo> head;	// the number of elements in the list	private int size;	// way queue is sorted	private int reportOrder;		GPRGrid theGrid;		// the constructor initializes this linked list to be empty.	public SurveyReport(GPRGrid theGrid, int reportOrder)	{		System.out.println("CREATE!");		size = 0;		head = null;		this.reportOrder = reportOrder;		this.theGrid = theGrid;	}	// push will add an element to front	public void push(CellInfo e)	{		System.out.println("PUSH!");				head = new Node(e, head);		size++;	}			// removes the node with highest priority	public CellInfo pop()	{		System.out.println("POP!");				if(head != null)		{			if(head.next == null)			{				CellInfo e = head.data;				head = null;				size--;				return e;			}						Iterator iter = iterator();			Iterator highest = iterator();			//iter and highest are head node!									CellInfo c = new CellInfo();			c.getIntensity();						while(iter.hasNext())			{				switch(reportOrder)				{					case SORT_BY_INTENSITY:						//if(iter.curr().getIntensity() > highest.curr().getIntensity())							highest = iter;						break;					case SORT_BY_ROW:											break;					case SORT_BY_COLUMN:											break;					case SORT_BY_TIME:											break;					default:						break;				}								iter.next();			}									size--;			return highest.curr();		}				return null;	}		// size() returns the number of elements in this list.	public int size()	{		return size;	}			// clear() makes this list empty.	public void clear()	{		this.head = null;	}			public String getContent()	{		System.out.println("GETCONTENT!");				StringBuilder str = new StringBuilder();		str.append("Site:   " + theGrid.getSiteName() + "\n\n");				str.append("Number of rows: \t" + theGrid.getNumberOfRows() + "\n");		str.append("Number of columns: \t" + theGrid.getNumberOfCols() + "\n\n");				str.append("Row , Col\tIntensity\tTime\n");		str.append("==========================================\n\n");						//Check for the rows/columns because if it is this way		//I can do a very quick sort.. just move along the grid		if(reportOrder == SORT_BY_ROW || reportOrder == SORT_BY_COLUMN)		{			if(reportOrder == SORT_BY_ROW)			{				for(int y = 0; y < theGrid.getNumberOfRows(); y++)				{					for(int x = 0; x < theGrid.getNumberOfCols(); x++)					{						str.append(theGrid.getSurveyedArea()[y][x].toString() + "\n");					}				}			}						if(reportOrder == SORT_BY_COLUMN)			{				for(int x = 0; x < theGrid.getNumberOfCols(); x++)				{					for(int y = 0; y < theGrid.getNumberOfRows(); y++)					{						str.append(theGrid.getSurveyedArea()[y][x].toString() + "\n");					}				}			}		}		else		{			while(size() > 0)			{				str.append(pop().toString() + "\n");			}		}						return str.toString();	}		public Iterator iterator()	{		return new Iterator(head);	}	public class Iterator	{		Node<CellInfo> current;		Node<CellInfo> beforeCurrent;				public Iterator(Node<CellInfo> current)		{			this.current = current;			beforeCurrent = null;		}				public boolean hasNext()		{			if(current.next == null)			{				return false;			}			else			{				return true;			}		}						public CellInfo curr()		{			if(current != null)				return current.data;			else				return null;		}				public CellInfo next()		{			if(hasNext())			{				beforeCurrent = current;				current = current.next;				return current.data;			}			else			{				return null;			}		}				// inserts the node before currrent		public void insert(Node<CellInfo> node)		{			beforeCurrent.next = new Node(node.data, current);		}								// removes current		public void remove()		{			if(hasNext())			{				beforeCurrent.next = current.next;			}			else if(!hasNext())			{				current = beforeCurrent;				current.next = null;			}			else			{				throw new IllegalStateException();			}		}			}}