new ActionListener() – oflazoglu.org

Nesne Tabanlı Programlama-2 (Bahar-2016) Hafta-4/1-1

6 Mart 20171 Mayıs 2017 tarihinde gönderilmiş caglar tarafından

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class checkbox extends JFrame implements ActionListener {
	
	JCheckBox jcb1,jcb2,jcb3;
	public checkbox()
	{
		this.setTitle("CheckBox Örneği");
		this.setSize(300,150);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setLayout(new FlowLayout());
		JPanel jp_main = new JPanel();
		jp_main.setPreferredSize(new Dimension(290, 140));
		JPanel jpn1 = new JPanel();
		JPanel jpn2 = new JPanel();
		
		jpn1.setPreferredSize(new Dimension(280, 60));
		jpn2.setPreferredSize(new Dimension(280, 65));
		jp_main.add(jpn1);
		jp_main.add(jpn2);
		
		jpn1.setLayout(new GridLayout(1,3));
		jpn2.setLayout(new FlowLayout());
		
		jcb1 = new JCheckBox("Seçim-1");
		jcb2 = new JCheckBox("Seçim-2");
		jcb3 = new JCheckBox("Seçim-3");
		
		/*jcb1.addActionListener(new ActionListener(){@Override
		public void actionPerformed(ActionEvent arg0) {
			JOptionPane.showMessageDialog(null, "Hello World!");
			
		}});*/
		
		
		jpn1.add(jcb1);
		jpn1.add(jcb2);
		jpn1.add(jcb3);
		
		JButton jbtn1= new JButton("Göster");
		JButton jbtn2= new JButton("Temizle");
		
		jbtn1.addActionListener(this);
		jbtn1.setActionCommand("goster");
		jbtn2.addActionListener(this);
		
		jpn2.add(jbtn1);
		jpn2.add(jbtn2);
		
		this.add(jp_main);
		this.setVisible(true);
	}
	

	@Override
	public void actionPerformed(ActionEvent arg0) {
		
		if(arg0.getActionCommand().equals("goster"))
			goster();
		else
			temizle();
	
	}

	private void goster()
	{
		String yaz="";
		
		
		if(jcb1.isSelected())
			yaz+=jcb1.getText();
		if(jcb2.isSelected())
		{
			if(yaz.length()>0) yaz+=" ; ";
			yaz+=jcb2.getText();
		}
		
		if(jcb3.isSelected())
		{
			if(yaz.length()>0) yaz+=" ; ";
			yaz+=jcb3.getText();
		}
		
		if(yaz.length()==0)
			yaz="Seçili Eleman Yok!";
		
		JOptionPane.showMessageDialog(null, yaz);
		
	}
	private void temizle()
	{
		jcb1.setSelected(false);
		jcb2.setSelected(false);
		jcb3.setSelected(false);
		
	}
	
	public static void main(String[] args) {
		new checkbox();

	}

}

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import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class checkbox extends JFrame implements ActionListener {

JCheckBox jcb1,jcb2,jcb3;

public checkbox()

{

this.setTitle("CheckBox Örneği");

this.setSize(300,150);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setLayout(new FlowLayout());

JPanel jp_main = new JPanel();

jp_main.setPreferredSize(new Dimension(290, 140));

JPanel jpn1 = new JPanel();

JPanel jpn2 = new JPanel();

jpn1.setPreferredSize(new Dimension(280, 60));

jpn2.setPreferredSize(new Dimension(280, 65));

jp_main.add(jpn1);

jp_main.add(jpn2);

jpn1.setLayout(new GridLayout(1,3));

jpn2.setLayout(new FlowLayout());

jcb1 = new JCheckBox("Seçim-1");

jcb2 = new JCheckBox("Seçim-2");

jcb3 = new JCheckBox("Seçim-3");

/*jcb1.addActionListener(new ActionListener(){@Override

public void actionPerformed(ActionEvent arg0) {

JOptionPane.showMessageDialog(null, "Hello World!");

}});*/

jpn1.add(jcb1);

jpn1.add(jcb2);

jpn1.add(jcb3);

JButton jbtn1= new JButton("Göster");

JButton jbtn2= new JButton("Temizle");

jbtn1.addActionListener(this);

jbtn1.setActionCommand("goster");

jbtn2.addActionListener(this);

jpn2.add(jbtn1);

jpn2.add(jbtn2);

this.add(jp_main);

this.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent arg0) {

if(arg0.getActionCommand().equals("goster"))

goster();

else

temizle();

}

private void goster()

{

String yaz="";

if(jcb1.isSelected())

yaz+=jcb1.getText();

if(jcb2.isSelected())

{

if(yaz.length()>0) yaz+=" ; ";

yaz+=jcb2.getText();

}

if(jcb3.isSelected())

{

if(yaz.length()>0) yaz+=" ; ";

yaz+=jcb3.getText();

}

if(yaz.length()==0)

yaz="Seçili Eleman Yok!";

JOptionPane.showMessageDialog(null, yaz);

}

private void temizle()

{

jcb1.setSelected(false);

jcb2.setSelected(false);

jcb3.setSelected(false);

}

public static void main(String[] args) {

new checkbox();

}

Okumaya devam et

Nesne Tabanlı Programlama-2 (Bahar-2016) Hafta-2/2-1

6 Mart 20171 Mayıs 2017 tarihinde gönderilmiş caglar tarafından

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;


public class buttonornek implements ActionListener {

	int sayac;
	JLabel jlab;
	public buttonornek() {
		JFrame jfrm = new JFrame("Button Ornek");
		jfrm.setSize(200,200);
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jfrm.setLayout(new FlowLayout());
		
		jlab= new JLabel("Butona Tıklayınız");
		JButton jbtn = new JButton("Tıkla!");
		jbtn.addActionListener(this);
		jfrm.add(jlab);
		jfrm.add(jbtn);
		jfrm.setVisible(true);
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new buttonornek();
	}

	@Override
	public void actionPerformed(ActionEvent arg0) {
		jlab.setText("Sayac:"+(++sayac));
	}

}

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.*;

public class buttonornek implements ActionListener {

int sayac;

JLabel jlab;

public buttonornek() {

JFrame jfrm = new JFrame("Button Ornek");

jfrm.setSize(200,200);

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

jfrm.setLayout(new FlowLayout());

jlab= new JLabel("Butona Tıklayınız");

JButton jbtn = new JButton("Tıkla!");

jbtn.addActionListener(this);

jfrm.add(jlab);

jfrm.add(jbtn);

jfrm.setVisible(true);

}

/**

* @param args

public static void main(String[] args) {

new buttonornek();

}

@Override

public void actionPerformed(ActionEvent arg0) {

jlab.setText("Sayac:"+(++sayac));

}

import java.awt.FlowLayout;
import java.awt.event.*;
import javax.swing.*;

class buttonislem implements ActionListener
{
	int sayac;
	public void actionPerformed(ActionEvent ae)
	{
		JOptionPane.showMessageDialog(null, "Butona Tıklandı!"+(++sayac));
	}
}

public class buttonornek1 {

	int sayac;
	JLabel jlab;
	public buttonornek1() {
		JFrame jfrm = new JFrame("Button Ornek-1");
		jfrm.setSize(200,200);
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jfrm.setLayout(new FlowLayout());
		
		jlab= new JLabel("Butona Tıklayınız");
		JButton jbtn = new JButton("Tıkla!");
		jbtn.addActionListener(new buttonislem());
		jfrm.add(jlab);
		jfrm.add(jbtn);
		jfrm.setVisible(true);
	}

	public static void main(String[] args) {
		new buttonornek1();
	}
}

import java.awt.FlowLayout;

import java.awt.event.*;

import javax.swing.*;

class buttonislem implements ActionListener

{

int sayac;

public void actionPerformed(ActionEvent ae)

{

JOptionPane.showMessageDialog(null, "Butona Tıklandı!"+(++sayac));

}

public class buttonornek1 {

int sayac;

JLabel jlab;

public buttonornek1() {

JFrame jfrm = new JFrame("Button Ornek-1");

jfrm.setSize(200,200);

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

jfrm.setLayout(new FlowLayout());

jlab= new JLabel("Butona Tıklayınız");

JButton jbtn = new JButton("Tıkla!");

jbtn.addActionListener(new buttonislem());

jfrm.add(jlab);

jfrm.add(jbtn);

jfrm.setVisible(true);

}

public static void main(String[] args) {

new buttonornek1();

}

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class buttonornek2 {

	int sayac;
	JLabel jlab;
	public buttonornek2() {
		JFrame jfrm = new JFrame("Button Ornek-1");
		jfrm.setSize(200,200);
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jfrm.setLayout(new FlowLayout());
		
		
		
		
		jlab= new JLabel("Butona Tıklayınız");
		JButton jbtn = new JButton("Tıkla!");
		jbtn.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent arg0) {
				JOptionPane.showMessageDialog(null, "Deneme");
				
			}
		});
		jfrm.add(jlab);
		jfrm.add(jbtn);
		jfrm.setVisible(true);
	}

	public static void main(String[] args) {
		new buttonornek2();
	}
}

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class buttonornek2 {

int sayac;

JLabel jlab;

public buttonornek2() {

JFrame jfrm = new JFrame("Button Ornek-1");

jfrm.setSize(200,200);

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

jfrm.setLayout(new FlowLayout());

jlab= new JLabel("Butona Tıklayınız");

JButton jbtn = new JButton("Tıkla!");

jbtn.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent arg0) {

JOptionPane.showMessageDialog(null, "Deneme");

}

});

jfrm.add(jlab);

jfrm.add(jbtn);

jfrm.setVisible(true);

}

public static void main(String[] args) {

new buttonornek2();

}

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Etiket: new ActionListener()

Nesne Tabanlı Programlama-2 (Bahar-2016) Hafta-4/1-1

Nesne Tabanlı Programlama-2 (Bahar-2016) Hafta-2/2-1

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