CommonConstants.java

import java.awt.Color; //for add colors

public class CommonConstants {

    //App setting
    public static final int[] APP_S = {400, 600};

    //DisplayField setting
    public static final int TEXTFIELD_F = 42;//Font size
    public static final int[] DISPLAY = {10, 80};


    //Button setting
    public static final int BUTTON_R = 5;//ROWS
    public static final int BUTTON_C = 4;//COLUMNS
    public static final int BUTTON_T = 20;//TOTAL BUTTONS
    public static final int BUTTON_F = 30;//ROWS
    public static final int BUTTON_H = 5;//ROWS
    public static final int BUTTON_V = 5;//COLUMNS


    public static final Color OPERATOR_BUTTON_COLOR = new Color(000);
    public static final Color OPERATOR_BUTTONTEXT_COLOR = new Color(0xFCFC03);
    public static final Color CLEAR_BUTTON_COLOR = new Color(0xFD0419);
    public static final Color NUMBER_BUTTON_COLOR = new Color(0xFFFFFF);
    public static final Color NUMBER_BUTTONTEXT_COLOR = new Color(0x0D0C0C);


}