package FlightScheduler;

public class Handle {
	
	public int indx;
	//public int key;
	
    // constructor
    //
    public Handle(int i)
    {
    	indx = i;
    	//key = k;
    }
    
}
package FlightScheduler;

public class Handle {
	
	public int indx;
	//public int key;
	
    // constructor
    public Handle(int i)
    {
    	indx = i;
    	//key = k;
    }
    
}

Update Handle.java