VINDOUZ APLIKACIJE


====================
import javax.swing.*;
public class Win1 extends JFrame{
	public Win1(){
		super("Nasa prva Win app");
		setSize(300, 100);
	}
	public static void main(String[] args) {
		Win1 w1;
		w1 = new Win1();
		w1.show();
	}

}

====================
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Win2 extends JFrame{
	JButton btRadi;
	class RadiListener implements ActionListener{
		public void actionPerformed(ActionEvent e){
			e.getSource();
			System.out.println("STOP IT!");
		}
	}
	public Win2(){
		super("App with one pointless button.");
		setSize(400, 100);
		Container cp = this.getContentPane();
		cp.setLayout(new FlowLayout());
		btRadi = new JButton("Radi");
		btRadi.addActionListener(new RadiListener());
		cp.add(btRadi);
		//Drugi nacin cp.add(btRadi = new JButton("Radi"));
	}
	public static void main(String args[]){
		Win2 w2 = new Win2();
		w2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		w2.show();
	}
}

===================
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Win3 extends JFrame implements ActionListener{
	JButton btRadi1, btRadi2, btRadi3;
	public Win3(){
		super("Win3");
		setSize(420, 200);
		Container cp = this.getContentPane();
		cp.setLayout(new FlowLayout());
		cp.add(btRadi1 = new JButton("Radi 1"));
		btRadi1.addActionListener(this);
		cp.add(btRadi2 = new JButton("Radi 2"));
		btRadi2.addActionListener(this);
		cp.add(btRadi3 = new JButton("Radi 3"));
		btRadi3.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e){
		System.out.println("Pritisnuto je dumge "+e.getActionCommand());
	}
	public static void main(String[] args) {
		Win3 w3 = new Win3();
		w3.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		w3.show();
	}

}

=================
import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
public class Win4 extends JFrame implements ActionListener{
	private JLabel lb1, lb2, lbRez;
	private JTextField tf1, tf2, tfRez;
	private JButton btSaberi, btOduzmi;
	public Win4(){
		super("Sabirac/Oduzimac");
		setSize(200, 420);
		Container cp = this.getContentPane();
		//cp.setLayout(new FlowLayout());
		cp.setLayout(new GridLayout(4,2));
		cp.add(lb1 = new JLabel("Broj 1: "));
		cp.add(tf1 = new JTextField(15));
		cp.add(lb2 = new JLabel("Broj 2: "));
		cp.add(tf2 = new JTextField(15));
		cp.add(lbRez = new JLabel("Rezultat: "));
		cp.add(tfRez = new JTextField(15));
		tfRez.setEditable(false);
		cp.add(btSaberi = new JButton("Saberi"));
		btSaberi.addActionListener(this);
		cp.add(btOduzmi = new JButton("Oduzmi"));
		btOduzmi.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e){
		double broj1, broj2, rez;
		String str;
		try{
		str = tf1.getText();
		broj1 = Double.parseDouble(str);
		str = tf2.getText();
		broj2 = Double.parseDouble(str);
		//if (e.getActionCommand().equals("Saberi"))
		//	rez  = broj1 + broj2;
		//else
		//	rez = broj1 - broj2;
		if (e.getSource() == btSaberi)
			rez = broj1 + broj2;
		else
			rez = broj1 - broj2;
		tfRez.setText(Double.toString(rez));
		}catch (Exception ee){
			tfRez.setText("Nepravilno zadat neki broj!");
		}
	}
	public static void main(String[] args) {
		Win4 w4 = new Win4();
		w4.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		w4.show();
	}

}

===================
import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
public class Win5 extends JFrame{
	JComboBox cb;
	public Win5(){
		super("Qwerty");
		String imena[]= {"Marko", "Pera", "Laza", "Zika", "Mika"};
		setSize(120, 100);
		Container cp = this.getContentPane();
		cp.setLayout(new FlowLayout());
		cb = new JComboBox();
		for (int k = 0; k < imena.length; k++)
			cb.addItem(imena[k]);
		cp.add(cb);		
	}
	public static void main(String[] args) {
		Win5 w5 = new Win5();
		w5.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		w5.show();		
	}

}