panel_akcije

package gui;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;

public class FrameInterface extends JFrame {


    static JTextArea textArea = new JTextArea("",1,7);


    public FrameInterface() {
        Toolkit kit = Toolkit.getDefaultToolkit();
            Dimension screenSize = kit.getScreenSize();
            int screenHeight = screenSize.height;
            int screenWidth = screenSize.width;

            setSize(screenWidth / 2, screenHeight / 2);
            setTitle("Interface");
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            setLocationRelativeTo(null);



            JPanel pan=new JPanel(new FlowLayout(FlowLayout.LEFT,20,20));

            MouseListener m;
            m=new MyMouseListener11();

            JButton btn1=new JButton("Izracunaj sumu");
            btn1.addMouseListener(m);


            pan.add(btn1);
            pan.add(textArea);
            add(pan,BorderLayout.CENTER);


      }





static class MyMouseListener11 implements MouseListener{


        public static String s;

        public void mouseClicked(MouseEvent arg0) {
            int a,b,c; a=5; b=5;
            c=a+b;
            s = String.valueOf(c);
            textArea.setText("result: "+s);

        }

        public void mouseEntered(MouseEvent arg0) {}

        public void mouseExited(MouseEvent arg0) {}

        public void mousePressed(MouseEvent arg0) {}

        public void mouseReleased(MouseEvent arg0) {}
    }







}