package edu.dynamic.dynamiz.UI;

import java.awt.event.ActionEvent;
/**
 * Interface for Screen
 * @author XYLau
 */
public interface UIInterface {
	public void actionPerformed(ActionEvent evt);
	public void displayln(String text);
	public void display(String text);	
}

package edu.dynamic.dynamiz.UI;

import java.awt.event.ActionEvent;
/**
 * Interface for Screen
 * @author XYLau
 */
public interface UIInterface {
	public void actionPerformed(ActionEvent evt);
	public void displayln(String text);
	public void display(String text);	
	public void displayRed();
}

Update UIInterface with methods created in UI