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Kategori: JAVA-II

Java-2 2016 Hafta-11

Posted on 12 Mayıs 2016 by

caglar Ders Notları, JAVA, JAVA-II, Yazılım kategorisine gönderildi — Henüz Yorum Yapılmadı ↓

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


public class market implements ActionListener {

	JList[] jlist;
	DefaultListModel[] dlm;
	JComboBox jcb;
	JTextField jtf;
	JLabel jlab;
	
	public market() {
		
		JFrame jfrm = new JFrame("Market");
		jfrm.setSize(250,275);
		jfrm.setLayout(new FlowLayout());
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		JPanel jpn_main = new JPanel();
		jpn_main.setLayout(new GridLayout(1,3));
		jpn_main.setPreferredSize(new Dimension(250,275));
		
		JPanel[] jpn = new JPanel[3];
		jlist = new JList[3];
		dlm= new DefaultListModel[5]; // 3 tanesi jlist , +2 tanesi id ler icin (urunlerin id bilgisi, sepetin id bilgisi)
		
		for(int i =0;i<jlist.length;i++)
		{
			jpn[i]= new JPanel();
			dlm[i]= new DefaultListModel();
			jlist[i]=new JList(dlm[i]);
			JScrollPane jscp = new JScrollPane(jlist[i]);
			jscp.setPreferredSize(new Dimension(80,200));
			jpn[i].add(jscp);
			jpn_main.add(jpn[i]);
			
		}
		
		jcb = new JComboBox();
		jcb.setPreferredSize(new Dimension(80,25));
		jtf= new JTextField();
		jtf.setPreferredSize(new Dimension(80,25));
		jlab = new JLabel("Tutar: 0");
		jlab.setPreferredSize(new Dimension(80,25));
		
		jpn[0].add(jcb);
		jpn[1].add(jtf);
		jpn[2].add(jlab);
		
		JButton jbtn_ekle = new JButton("Ekle");
		jbtn_ekle.addActionListener(this);
		jbtn_ekle.setActionCommand("ekle");
		jbtn_ekle.setPreferredSize(new Dimension(80,25));
		JButton jbtn_sil = new JButton("Sil");
		jbtn_sil.addActionListener(this);
		jbtn_sil.setPreferredSize(new Dimension(80,25));

		jpn[0].add(jbtn_ekle);
		jpn[1].add(jbtn_sil);
	
		jfrm.add(jpn_main);
		combodoldur();
		listedoldur();
		jfrm.setVisible(true);
		
	}

	@Override
	public void actionPerformed(ActionEvent ae) {
		
		if(ae.getActionCommand().equals("ekle"))
		{
			// ekle
			
			Connection conn =baglan();
			try {
				
				String sql = "insert into sepet(urunid,miktar) values(?,?);";
				
				int secilen = jcb.getSelectedIndex();
				int miktar = Integer.parseInt(jtf.getText());
				
				
				if(secilen>0)
				{
					int urunid = (int) dlm[3].get(secilen-1); // urunler icin id listesi;
					PreparedStatement ps = conn.prepareStatement(sql);
					ps.setInt(1,urunid);
					ps.setInt(2,miktar);
					ps.executeUpdate();
					
					jcb.setSelectedIndex(0);
					jtf.setText("");
				
					listedoldur();
					
				}
				
			}
			catch(Exception ex)
			{
				System.out.println(ex);
			}
			
			
			
		}
		else
		{
			Connection conn =baglan();
			try {
				String sql = "delete from sepet where id=?;";
				int secilen = jlist[0].getSelectedIndex();
				if(secilen>-1)
				{
					int secilen_id = (int) dlm[4].get(secilen); // urunler icin id listesi;
					PreparedStatement ps = conn.prepareStatement(sql);
					ps.setInt(1,secilen_id);
					ps.executeUpdate();
					listedoldur();
					
				}
			}
			catch(Exception ex)
			{
				System.out.println(ex);
			}
			
		}


	}

	
	public void combodoldur()
	{
		
		try{
			
			Connection conn = baglan();
			if(conn!=null)
			{
				
				String sql = "select id,ad,fiyat from urunler";
				Statement st = conn.createStatement();
				ResultSet rs =st.executeQuery(sql);
				
				dlm[3] = new DefaultListModel(); // urunler tablosunun id bilgisini tutacak olan degisken
				
				jcb.addItem("Seçiniz");
				
				while(rs.next())
				{
					dlm[3].addElement(rs.getInt("id"));
					jcb.addItem(rs.getString("ad"));
					
				}
			}
		}
		catch(Exception ex)
		{
			System.out.println(ex);
		}
		
		
		
	}
	
	public void listedoldur()
	{
		try{
			
			Connection conn = baglan();
			if(conn!=null)
			{
				
				String sql = "select u.ad,u.fiyat*s.miktar as tutar,s.id," +
						"s.miktar from urunler u inner join sepet s on " +
						"s.urunid=u.id";
				Statement st = conn.createStatement();
				ResultSet rs =st.executeQuery(sql);
				
				dlm[0].clear();
				dlm[1].clear();
				dlm[2].clear();
				dlm[4] = new DefaultListModel(); // sepet id bilgisi tutan degisken silme isleminde kullanilacak
				
				int tutar=0;
				
				
				while(rs.next())
				{
					dlm[0].addElement(rs.getString("ad"));
					dlm[1].addElement(rs.getInt("miktar"));
					dlm[2].addElement(rs.getInt("tutar"));
					dlm[4].addElement(rs.getInt("id")); // s.id bilgisi
					
					tutar+=(int)rs.getInt("tutar");
					
				}
				
				jlab.setText("Tutar: "+tutar);
				
			}
		}
		catch(Exception ex)
		{
			System.out.println(ex);
		}
		
	}
	
	
	
	public Connection baglan()
	{
		Connection conn=null;
		try{
			Class.forName("org.sqlite.JDBC");
			conn=DriverManager.getConnection("jdbc:sqlite:market.db"); 
		}
		catch(Exception ex)
		{
			JOptionPane.showMessageDialog(null,"Bağlantı yapılamadı!","Hata",0);
		}
		return conn;	
	}
	
	
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new market();

	}

}

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import java.awt.*;

import java.sql.*;

import java.awt.event.*;

import javax.swing.*;

public class market implements ActionListener {

JList[] jlist;

DefaultListModel[] dlm;

JComboBox jcb;

JTextField jtf;

JLabel jlab;

public market() {

JFrame jfrm = new JFrame("Market");

jfrm.setSize(250,275);

jfrm.setLayout(new FlowLayout());

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel jpn_main = new JPanel();

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

jpn_main.setPreferredSize(new Dimension(250,275));

JPanel[] jpn = new JPanel[3];

jlist = new JList[3];

dlm= new DefaultListModel[5]; // 3 tanesi jlist , +2 tanesi id ler icin (urunlerin id bilgisi, sepetin id bilgisi)

for(int i =0;i<jlist.length;i++)

{

jpn[i]= new JPanel();

dlm[i]= new DefaultListModel();

jlist[i]=new JList(dlm[i]);

JScrollPane jscp = new JScrollPane(jlist[i]);

jscp.setPreferredSize(new Dimension(80,200));

jpn[i].add(jscp);

jpn_main.add(jpn[i]);

}

jcb = new JComboBox();

jcb.setPreferredSize(new Dimension(80,25));

jtf= new JTextField();

jtf.setPreferredSize(new Dimension(80,25));

jlab = new JLabel("Tutar: 0");

jlab.setPreferredSize(new Dimension(80,25));

jpn[0].add(jcb);

jpn[1].add(jtf);

jpn[2].add(jlab);

JButton jbtn_ekle = new JButton("Ekle");

jbtn_ekle.addActionListener(this);

jbtn_ekle.setActionCommand("ekle");

jbtn_ekle.setPreferredSize(new Dimension(80,25));

JButton jbtn_sil = new JButton("Sil");

jbtn_sil.addActionListener(this);

jbtn_sil.setPreferredSize(new Dimension(80,25));

jpn[0].add(jbtn_ekle);

jpn[1].add(jbtn_sil);

jfrm.add(jpn_main);

combodoldur();

listedoldur();

jfrm.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent ae) {

if(ae.getActionCommand().equals("ekle"))

{

// ekle

Connection conn =baglan();

try {

String sql = "insert into sepet(urunid,miktar) values(?,?);";

int secilen = jcb.getSelectedIndex();

int miktar = Integer.parseInt(jtf.getText());

if(secilen>0)

{

int urunid = (int) dlm[3].get(secilen-1); // urunler icin id listesi;

PreparedStatement ps = conn.prepareStatement(sql);

ps.setInt(1,urunid);

ps.setInt(2,miktar);

ps.executeUpdate();

jcb.setSelectedIndex(0);

jtf.setText("");

listedoldur();

}

catch(Exception ex)

{

System.out.println(ex);

}

else

{

Connection conn =baglan();

try {

String sql = "delete from sepet where id=?;";

int secilen = jlist[0].getSelectedIndex();

if(secilen>-1)

{

int secilen_id = (int) dlm[4].get(secilen); // urunler icin id listesi;

PreparedStatement ps = conn.prepareStatement(sql);

ps.setInt(1,secilen_id);

ps.executeUpdate();

listedoldur();

}

catch(Exception ex)

{

System.out.println(ex);

}

public void combodoldur()

{

try{

Connection conn = baglan();

if(conn!=null)

{

String sql = "select id,ad,fiyat from urunler";

Statement st = conn.createStatement();

ResultSet rs =st.executeQuery(sql);

dlm[3] = new DefaultListModel(); // urunler tablosunun id bilgisini tutacak olan degisken

jcb.addItem("Seçiniz");

while(rs.next())

{

dlm[3].addElement(rs.getInt("id"));

jcb.addItem(rs.getString("ad"));

}

catch(Exception ex)

{

System.out.println(ex);

}

public void listedoldur()

{

try{

Connection conn = baglan();

if(conn!=null)

{

String sql = "select u.ad,u.fiyat*s.miktar as tutar,s.id," +

"s.miktar from urunler u inner join sepet s on " +

"s.urunid=u.id";

Statement st = conn.createStatement();

ResultSet rs =st.executeQuery(sql);

dlm[0].clear();

dlm[1].clear();

dlm[2].clear();

dlm[4] = new DefaultListModel(); // sepet id bilgisi tutan degisken silme isleminde kullanilacak

int tutar=0;

while(rs.next())

{

dlm[0].addElement(rs.getString("ad"));

dlm[1].addElement(rs.getInt("miktar"));

dlm[2].addElement(rs.getInt("tutar"));

dlm[4].addElement(rs.getInt("id")); // s.id bilgisi

tutar+=(int)rs.getInt("tutar");

}

jlab.setText("Tutar: "+tutar);

}

catch(Exception ex)

{

System.out.println(ex);

}

public Connection baglan()

{

Connection conn=null;

try{

Class.forName("org.sqlite.JDBC");

conn=DriverManager.getConnection("jdbc:sqlite:market.db");

}

catch(Exception ex)

{

JOptionPane.showMessageDialog(null,"Bağlantı yapılamadı!","Hata",0);

}

return conn;

}

/**

* @param args

public static void main(String[] args) {

new market();

}

Java-2 2016 Hafta-11 Uygulamaları

Etiketler: java, java2, sqlite, sqlite-jdbc.jar, swing

Java-2 2016 Hafta-10

Posted on 9 Mayıs 2016 by

caglar Ders Notları, JAVA, JAVA-II, Yazılım kategorisine gönderildi — Henüz Yorum Yapılmadı ↓

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


public class ornek1 implements ActionListener {

	JList jl1,jl2;
	DefaultListModel dlm1,dlm2,dlm_id;
	JTextField jtf_isim,jtf_telno;
	public ornek1() {
		JFrame jfrm = new JFrame("Personel Bilgileri");
		jfrm.setLayout(new FlowLayout());
		jfrm.setSize(150,290);
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		JPanel jpn_main = new JPanel();
		jpn_main.setPreferredSize(new Dimension(150,290));
		jpn_main.setLayout(new GridLayout(1,2));
		
		jfrm.add(jpn_main);
		
		dlm_id= new DefaultListModel();
		
		JPanel jpn1 = new JPanel();
		dlm1= new DefaultListModel();
		jl1= new JList(dlm1);
		JScrollPane jscp1= new JScrollPane(jl1);
		jscp1.setPreferredSize(new Dimension(70,200));
		jpn1.add(jscp1);
		jtf_isim = new JTextField();
		jtf_isim.setPreferredSize(new Dimension(70,30));
		JButton jbtn1= new JButton("Ekle");
		jbtn1.addActionListener(this);
		jbtn1.setActionCommand("ekle");
		jbtn1.setPreferredSize(new Dimension(70,30));
		jpn1.add(jtf_isim);
		jpn1.add(jbtn1);
		
		JPanel jpn2 = new JPanel();
		dlm2= new DefaultListModel();
		jl2= new JList(dlm2);
		JScrollPane jscp2= new JScrollPane(jl2);
		jscp2.setPreferredSize(new Dimension(70,200));
		jpn2.add(jscp2);
		jtf_telno = new JTextField();
		jtf_telno.setPreferredSize(new Dimension(70,30));
		JButton jbtn2= new JButton("Sil");
		jbtn2.addActionListener(this);
		jbtn2.setPreferredSize(new Dimension(70,30));
		jpn2.add(jtf_telno);
		jpn2.add(jbtn2);	
		
		jpn_main.add(jpn1);
		jpn_main.add(jpn2);
		
		listedoldur();
		
		jfrm.setVisible(true);
	}

	public void listedoldur()
	{
		try{
		Connection conn = baglan();
		
		if(conn!=null)
		{
			dlm_id.clear();
			dlm1.clear();
			dlm2.clear();
			String sql="select id, isim, telno from personel;";
			Statement st = conn.createStatement();
			ResultSet rs = st.executeQuery(sql);
			while(rs.next()) // kayit varsa
			{
				dlm_id.addElement(rs.getInt("id"));
				dlm1.addElement(rs.getString("isim"));
				dlm2.addElement(rs.getString("telno"));
			}
		}
		
		
		
		}catch(Exception ex)
		{
			System.out.println(ex);
			
		}
		
	}
	
	@Override
	public void actionPerformed(ActionEvent ae) {

		Connection conn = baglan();
		
		if(ae.getActionCommand().equals("ekle"))
		{
			try{
				
				if(jtf_isim.getText().length()>0 && 
						jtf_telno.getText().length()>0)
				{
					String sql = "insert into personel(isim,telno) values(?,?)";
					PreparedStatement ps = conn.prepareStatement(sql);
					ps.setString(1, jtf_isim.getText());
					ps.setString(2, jtf_telno.getText());
					ps.executeUpdate();
					
					jtf_isim.setText("");
					jtf_telno.setText("");
					listedoldur();
				}
			}
			catch(Exception ex)
			{
				System.out.println(ex);
				
			}
		}
		else
		{
			try{
				
				int secilen = jl1.getSelectedIndex();
				
				if(secilen>-1)
				{
					String sql = "delete from personel where id=?;";
					PreparedStatement ps = conn.prepareStatement(sql);
					ps.setInt(1, (int)dlm_id.get(secilen));
					ps.executeUpdate();
					listedoldur();
				}
				
			}
			catch(Exception ex)
			{
				System.out.println(ex);	
			}
			
		}
		

	}
	
	public Connection baglan()
	{
	Connection conn=null;
	try{
		Class.forName("org.sqlite.JDBC");
		conn=DriverManager.getConnection("jdbc:sqlite:ornek1.db"); 
	}
	catch(Exception ex)
	{
		JOptionPane.showMessageDialog(null,"Bağlantı yapılamadı!","Hata",0);
	}
	return conn;	
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new ornek1();

	}

}

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import java.awt.*;

import java.awt.event.*;

import java.sql.*;

import javax.swing.*;

public class ornek1 implements ActionListener {

JList jl1,jl2;

DefaultListModel dlm1,dlm2,dlm_id;

JTextField jtf_isim,jtf_telno;

public ornek1() {

JFrame jfrm = new JFrame("Personel Bilgileri");

jfrm.setLayout(new FlowLayout());

jfrm.setSize(150,290);

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel jpn_main = new JPanel();

jpn_main.setPreferredSize(new Dimension(150,290));

jpn_main.setLayout(new GridLayout(1,2));

jfrm.add(jpn_main);

dlm_id= new DefaultListModel();

JPanel jpn1 = new JPanel();

dlm1= new DefaultListModel();

jl1= new JList(dlm1);

JScrollPane jscp1= new JScrollPane(jl1);

jscp1.setPreferredSize(new Dimension(70,200));

jpn1.add(jscp1);

jtf_isim = new JTextField();

jtf_isim.setPreferredSize(new Dimension(70,30));

JButton jbtn1= new JButton("Ekle");

jbtn1.addActionListener(this);

jbtn1.setActionCommand("ekle");

jbtn1.setPreferredSize(new Dimension(70,30));

jpn1.add(jtf_isim);

jpn1.add(jbtn1);

JPanel jpn2 = new JPanel();

dlm2= new DefaultListModel();

jl2= new JList(dlm2);

JScrollPane jscp2= new JScrollPane(jl2);

jscp2.setPreferredSize(new Dimension(70,200));

jpn2.add(jscp2);

jtf_telno = new JTextField();

jtf_telno.setPreferredSize(new Dimension(70,30));

JButton jbtn2= new JButton("Sil");

jbtn2.addActionListener(this);

jbtn2.setPreferredSize(new Dimension(70,30));

jpn2.add(jtf_telno);

jpn2.add(jbtn2);

jpn_main.add(jpn1);

jpn_main.add(jpn2);

listedoldur();

jfrm.setVisible(true);

}

public void listedoldur()

{

try{

Connection conn = baglan();

if(conn!=null)

{

dlm_id.clear();

dlm1.clear();

dlm2.clear();

String sql="select id, isim, telno from personel;";

Statement st = conn.createStatement();

ResultSet rs = st.executeQuery(sql);

while(rs.next()) // kayit varsa

{

dlm_id.addElement(rs.getInt("id"));

dlm1.addElement(rs.getString("isim"));

dlm2.addElement(rs.getString("telno"));

}

}catch(Exception ex)

{

System.out.println(ex);

}

@Override

public void actionPerformed(ActionEvent ae) {

Connection conn = baglan();

if(ae.getActionCommand().equals("ekle"))

{

try{

if(jtf_isim.getText().length()>0 &&

jtf_telno.getText().length()>0)

{

String sql = "insert into personel(isim,telno) values(?,?)";

PreparedStatement ps = conn.prepareStatement(sql);

ps.setString(1, jtf_isim.getText());

ps.setString(2, jtf_telno.getText());

ps.executeUpdate();

jtf_isim.setText("");

jtf_telno.setText("");

listedoldur();

}

catch(Exception ex)

{

System.out.println(ex);

}

else

{

try{

int secilen = jl1.getSelectedIndex();

if(secilen>-1)

{

String sql = "delete from personel where id=?;";

PreparedStatement ps = conn.prepareStatement(sql);

ps.setInt(1, (int)dlm_id.get(secilen));

ps.executeUpdate();

listedoldur();

}

catch(Exception ex)

{

System.out.println(ex);

}

public Connection baglan()

{

Connection conn=null;

try{

Class.forName("org.sqlite.JDBC");

conn=DriverManager.getConnection("jdbc:sqlite:ornek1.db");

}

catch(Exception ex)

{

JOptionPane.showMessageDialog(null,"Bağlantı yapılamadı!","Hata",0);

}

return conn;

}

/**

* @param args

public static void main(String[] args) {

new ornek1();

}

Java-2 2016 Hafta-10

Etiketler: java, sqlite, sqlite-jdbc.jar, swing

Java-2 2016 Hafta-8 Örnek-2

Posted on 31 Mart 2016 by

caglar Ders Notları, JAVA, JAVA-II, Yazılım kategorisine gönderildi — 2 Yorum ↓

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

public class tasarim implements ActionListener {

	JLabel jlab;
	JRadioButton[] jrb;
	public tasarim() {
		
		JFrame jfrm = new JFrame("Tasarim");
		jfrm.setSize(250,150);
		jfrm.setLayout(new FlowLayout());
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	
		JPanel jpn_ana = new JPanel();
		jpn_ana.setPreferredSize(new Dimension(245,145));
		
		JPanel jpn_soru= new JPanel();
		jpn_soru.setLayout(new FlowLayout(FlowLayout.LEFT));
		jpn_soru.setPreferredSize(new Dimension(240,35));
		jlab= new JLabel("Soru1:....");
		jpn_soru.add(jlab);
		
		
		JPanel jpn_secenek= new JPanel();
		jpn_secenek.setLayout(new GridLayout(2,2));
		jpn_secenek.setPreferredSize(new Dimension(240,50));
		
		ButtonGroup bg = new ButtonGroup();
		jrb= new JRadioButton[4];
		jrb[0]= new JRadioButton("A).....");
		jrb[0].setSelected(true);
		jrb[1]= new JRadioButton("B).....");
		jrb[2]= new JRadioButton("C).....");
		jrb[3]= new JRadioButton("D).....");
		bg.add(jrb[0]);
		bg.add(jrb[1]);
		bg.add(jrb[2]);
		bg.add(jrb[3]);
		
		jpn_secenek.add(jrb[0]);
		jpn_secenek.add(jrb[1]);
		jpn_secenek.add(jrb[2]);
		jpn_secenek.add(jrb[3]);
		
		JPanel jpn_buton= new JPanel();
		jpn_buton.setLayout(new GridLayout(1,2));
		jpn_buton.setPreferredSize(new Dimension(240,35));
		
		JPanel jpn_b1= new JPanel();
		jpn_b1.setLayout(new FlowLayout(FlowLayout.LEFT));
		JPanel jpn_b2= new JPanel();
		jpn_b2.setLayout(new FlowLayout(FlowLayout.RIGHT));
		
		JButton jbtn1= new JButton("Önceki");
		JButton jbtn2= new JButton("Sonraki");
		jpn_b1.add(jbtn1);
		jpn_b2.add(jbtn2);
		
		
		jpn_buton.add(jpn_b1);
		jpn_buton.add(jpn_b2);
		
		jpn_ana.add(jpn_soru);
		jpn_ana.add(jpn_secenek);
		jpn_ana.add(jpn_buton);
				
		jfrm.add(jpn_ana);
		jfrm.setVisible(true);
	}
	@Override
	public void actionPerformed(ActionEvent arg0) {
		
	}

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

	}

}

import java.awt.event.*;

import java.awt.*;

import javax.swing.*;

public class tasarim implements ActionListener {

JLabel jlab;

JRadioButton[] jrb;

public tasarim() {

JFrame jfrm = new JFrame("Tasarim");

jfrm.setSize(250,150);

jfrm.setLayout(new FlowLayout());

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel jpn_ana = new JPanel();

jpn_ana.setPreferredSize(new Dimension(245,145));

JPanel jpn_soru= new JPanel();

jpn_soru.setLayout(new FlowLayout(FlowLayout.LEFT));

jpn_soru.setPreferredSize(new Dimension(240,35));

jlab= new JLabel("Soru1:....");

jpn_soru.add(jlab);

JPanel jpn_secenek= new JPanel();

jpn_secenek.setLayout(new GridLayout(2,2));

jpn_secenek.setPreferredSize(new Dimension(240,50));

ButtonGroup bg = new ButtonGroup();

jrb= new JRadioButton[4];

jrb[0]= new JRadioButton("A).....");

jrb[0].setSelected(true);

jrb[1]= new JRadioButton("B).....");

jrb[2]= new JRadioButton("C).....");

jrb[3]= new JRadioButton("D).....");

bg.add(jrb[0]);

bg.add(jrb[1]);

bg.add(jrb[2]);

bg.add(jrb[3]);

jpn_secenek.add(jrb[0]);

jpn_secenek.add(jrb[1]);

jpn_secenek.add(jrb[2]);

jpn_secenek.add(jrb[3]);

JPanel jpn_buton= new JPanel();

jpn_buton.setLayout(new GridLayout(1,2));

jpn_buton.setPreferredSize(new Dimension(240,35));

JPanel jpn_b1= new JPanel();

jpn_b1.setLayout(new FlowLayout(FlowLayout.LEFT));

JPanel jpn_b2= new JPanel();

jpn_b2.setLayout(new FlowLayout(FlowLayout.RIGHT));

JButton jbtn1= new JButton("Önceki");

JButton jbtn2= new JButton("Sonraki");

jpn_b1.add(jbtn1);

jpn_b2.add(jbtn2);

jpn_buton.add(jpn_b1);

jpn_buton.add(jpn_b2);

jpn_ana.add(jpn_soru);

jpn_ana.add(jpn_secenek);

jpn_ana.add(jpn_buton);

jfrm.add(jpn_ana);

jfrm.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent arg0) {

}

/**

* @param args

public static void main(String[] args) {

new tasarim();

}

Etiketler: GridLayout, JFrame, JPanel, JRadioButton, setDefaultCloseOperation, setLayout, setPreferredSize

Java-2 2016 Hafta-8 Örnek-1

Posted on 31 Mart 2016 by

caglar Ders Notları, JAVA, JAVA-II, Yazılım kategorisine gönderildi — Henüz Yorum Yapılmadı ↓

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

public class gelirvergisi implements ActionListener {

	JList[] jl;
	DefaultListModel[] dlm;
	JComboBox jcb;
	JTextField jtf_gelirtop,jtf_yenigelir;
	JRadioButton jrb_ocak,jrb_temmuz;
	
	public gelirvergisi() {
		
		JFrame jfrm = new JFrame("Gelir Vergisi - 2016");
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jfrm.setLayout(new GridLayout(1,5));
		jfrm.setSize(500, 250);
		
		JPanel[] jpn = new JPanel[5];
		jl= new JList[5];
		dlm=new DefaultListModel[5];
		String[] baslik={"İsim","Gelir Top.","Yeni Gelir","Dönem","Vergi"};
		
		for(int i =0; i<jpn.length;i++)
		{
			jpn[i]= new JPanel();
			jpn[i].setPreferredSize(new Dimension(95, 295));
			dlm[i]= new DefaultListModel();
			jl[i]=new JList(dlm[i]);
			JScrollPane jscp= new JScrollPane(jl[i]);
			jscp.setPreferredSize(new Dimension(90,160));
			JLabel jlab = new JLabel(baslik[i]);
			jpn[i].add(jlab);
			jpn[i].add(jscp); // jlist panele eklendi
			
			jfrm.add(jpn[i]);
		}
		
		//1. sutun eklemeleri
		String[] isimler ={"Seçiniz","Ahmet","Mustafa","Metin","Ayse","Fatma"};
		jcb= new JComboBox(isimler);
		jcb.setPreferredSize(new Dimension(90,25));
		jpn[0].add(jcb);
		JButton jbtn1= new JButton("Ekle");
		jbtn1.addActionListener(this);
		jbtn1.setActionCommand("ekle"); // buton etiketi
		jbtn1.setPreferredSize(new Dimension(90,25));
		jpn[0].add(jbtn1);
		
		//2. sutun
		jtf_gelirtop= new JTextField();
		jtf_gelirtop.setPreferredSize(new Dimension(90,25));
		jpn[1].add(jtf_gelirtop);
		JButton jbtn2= new JButton("Sil");
		jbtn2.addActionListener(this);
		jbtn2.setPreferredSize(new Dimension(90,25));
		jpn[1].add(jbtn2);
		
		//3.sutun
		jtf_yenigelir= new JTextField();
		jtf_yenigelir.setPreferredSize(new Dimension(90,25));
		jpn[2].add(jtf_yenigelir);
		
		//4. sutun
		ButtonGroup bg = new ButtonGroup();
		jrb_ocak = new JRadioButton("Ocak");
		jrb_ocak.setSelected(true);
		jrb_temmuz = new JRadioButton("Temmuz");
		bg.add(jrb_ocak);
		bg.add(jrb_temmuz);
		JPanel jpn4_1 = new JPanel();
		JPanel jpn4_2 = new JPanel();
		jpn4_1.setLayout(new FlowLayout(FlowLayout.LEFT));
		jpn4_2.setLayout(new FlowLayout(FlowLayout.LEFT));
		jpn4_1.setPreferredSize(new Dimension(90,25));
		jpn4_2.setPreferredSize(new Dimension(90,25));
		jpn4_1.add(jrb_ocak);
		jpn4_2.add(jrb_temmuz);
		jpn[3].add(jpn4_1);
		jpn[3].add(jpn4_2);
		jfrm.setVisible(true);
	}
	@Override
	public void actionPerformed(ActionEvent ae) {
		if(ae.getActionCommand().equals("ekle"))
		{
			// ekle
			int secilen_isim = jcb.getSelectedIndex();
			int donem=0;
			if(jrb_temmuz.isSelected())
				donem=1;
			
			double mevcutgelir,yenigelir;
			try{
				if(secilen_isim>0 && jtf_gelirtop.getText().length()>0 && 
						jtf_yenigelir.getText().length()>0 ){
					
				mevcutgelir=Double.parseDouble(jtf_gelirtop.getText());
				yenigelir=Double.parseDouble(jtf_yenigelir.getText());
				
				String[] donemler={"Ocak","Temmuz"};
				double vergi=vergihesapla(mevcutgelir, yenigelir, donem);
				
				dlm[0].addElement(jcb.getSelectedItem()); // isim
				dlm[1].addElement(mevcutgelir); // gelir top.
				dlm[2].addElement(yenigelir); // yeni gelir
				dlm[3].addElement(donemler[donem]); // donem
				dlm[4].addElement(vergi); // vergi
				
				jcb.setSelectedIndex(0);
				jtf_gelirtop.setText("");
				jtf_yenigelir.setText("");
				jrb_ocak.setSelected(true);
				}	
			}catch(Exception ex)
			{
				
			}
		}
		else
		{
			int secilen = jl[0].getSelectedIndex();
			if(secilen>-1)
			{
				for(int i=0;i<dlm.length;i++)
				{
					dlm[i].remove(secilen);
				}	
			}	
		}
	}

	private double vergihesapla(double mevcutgelir,double yenigelir, int donem)
	{
		double toplamvergi=0;
		double[] oranlar={0.15,0.2,0.27,0.35};
		double[] ocak={12600,30000,110000};
		double[] temmuz={13000,31000,120000}; // henuz belirlenmedi degerler farazi
		double[] donemsiniri; // kullanilacak doneme ait sinirlar
		
		donemsiniri=ocak;
		if(donem==1)
			donemsiniri=temmuz;
		
		double anapara=mevcutgelir;
		double kalan = yenigelir;
		
		do{
		
		int onceki=oranbul(anapara,donemsiniri);
		int sonraki=oranbul(anapara+kalan,donemsiniri);
		
		
		if(onceki==sonraki)
		{	// durum1 : tamamini vergilendir
			toplamvergi+=kalan*oranlar[onceki];
			kalan=0;
		}
		else
		{ 
			// durum2 : sinir ustunde devam etmeli 
			double vergilendirilecek=donemsiniri[onceki]-anapara;
			toplamvergi+=vergilendirilecek*oranlar[onceki];
			anapara+=vergilendirilecek;
			kalan-=vergilendirilecek;
		}
		
		
		
		}while(kalan>0);
		
		
		return toplamvergi;
	}
	
	private int oranbul(double gelir,double[] sinirlar)
	{
		for(int i=0;i<sinirlar.length;i++)
		{
			if(gelir < sinirlar[i])
				return i;
		}
		return sinirlar.length;
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new gelirvergisi();
	}

}

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import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class gelirvergisi implements ActionListener {

JList[] jl;

DefaultListModel[] dlm;

JComboBox jcb;

JTextField jtf_gelirtop,jtf_yenigelir;

JRadioButton jrb_ocak,jrb_temmuz;

public gelirvergisi() {

JFrame jfrm = new JFrame("Gelir Vergisi - 2016");

jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

jfrm.setLayout(new GridLayout(1,5));

jfrm.setSize(500, 250);

JPanel[] jpn = new JPanel[5];

jl= new JList[5];

dlm=new DefaultListModel[5];

String[] baslik={"İsim","Gelir Top.","Yeni Gelir","Dönem","Vergi"};

for(int i =0; i<jpn.length;i++)

{

jpn[i]= new JPanel();

jpn[i].setPreferredSize(new Dimension(95, 295));

dlm[i]= new DefaultListModel();

jl[i]=new JList(dlm[i]);

JScrollPane jscp= new JScrollPane(jl[i]);

jscp.setPreferredSize(new Dimension(90,160));

JLabel jlab = new JLabel(baslik[i]);

jpn[i].add(jlab);

jpn[i].add(jscp); // jlist panele eklendi

jfrm.add(jpn[i]);

}

//1. sutun eklemeleri

String[] isimler ={"Seçiniz","Ahmet","Mustafa","Metin","Ayse","Fatma"};

jcb= new JComboBox(isimler);

jcb.setPreferredSize(new Dimension(90,25));

jpn[0].add(jcb);

JButton jbtn1= new JButton("Ekle");

jbtn1.addActionListener(this);

jbtn1.setActionCommand("ekle"); // buton etiketi

jbtn1.setPreferredSize(new Dimension(90,25));

jpn[0].add(jbtn1);

//2. sutun

jtf_gelirtop= new JTextField();

jtf_gelirtop.setPreferredSize(new Dimension(90,25));

jpn[1].add(jtf_gelirtop);

JButton jbtn2= new JButton("Sil");

jbtn2.addActionListener(this);

jbtn2.setPreferredSize(new Dimension(90,25));

jpn[1].add(jbtn2);

//3.sutun

jtf_yenigelir= new JTextField();

jtf_yenigelir.setPreferredSize(new Dimension(90,25));

jpn[2].add(jtf_yenigelir);

//4. sutun

ButtonGroup bg = new ButtonGroup();

jrb_ocak = new JRadioButton("Ocak");

jrb_ocak.setSelected(true);

jrb_temmuz = new JRadioButton("Temmuz");

bg.add(jrb_ocak);

bg.add(jrb_temmuz);

JPanel jpn4_1 = new JPanel();

JPanel jpn4_2 = new JPanel();

jpn4_1.setLayout(new FlowLayout(FlowLayout.LEFT));

jpn4_2.setLayout(new FlowLayout(FlowLayout.LEFT));

jpn4_1.setPreferredSize(new Dimension(90,25));

jpn4_2.setPreferredSize(new Dimension(90,25));

jpn4_1.add(jrb_ocak);

jpn4_2.add(jrb_temmuz);

jpn[3].add(jpn4_1);

jpn[3].add(jpn4_2);

jfrm.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent ae) {

if(ae.getActionCommand().equals("ekle"))

{

// ekle

int secilen_isim = jcb.getSelectedIndex();

int donem=0;

if(jrb_temmuz.isSelected())

donem=1;

double mevcutgelir,yenigelir;

try{

if(secilen_isim>0 && jtf_gelirtop.getText().length()>0 &&

jtf_yenigelir.getText().length()>0 ){

mevcutgelir=Double.parseDouble(jtf_gelirtop.getText());

yenigelir=Double.parseDouble(jtf_yenigelir.getText());

String[] donemler={"Ocak","Temmuz"};

double vergi=vergihesapla(mevcutgelir, yenigelir, donem);

dlm[0].addElement(jcb.getSelectedItem()); // isim

dlm[1].addElement(mevcutgelir); // gelir top.

dlm[2].addElement(yenigelir); // yeni gelir

dlm[3].addElement(donemler[donem]); // donem

dlm[4].addElement(vergi); // vergi

jcb.setSelectedIndex(0);

jtf_gelirtop.setText("");

jtf_yenigelir.setText("");

jrb_ocak.setSelected(true);

}

}catch(Exception ex)

{

}

else

{

int secilen = jl[0].getSelectedIndex();

if(secilen>-1)

{

for(int i=0;i<dlm.length;i++)

{

dlm[i].remove(secilen);

}

private double vergihesapla(double mevcutgelir,double yenigelir, int donem)

{

double toplamvergi=0;

double[] oranlar={0.15,0.2,0.27,0.35};

double[] ocak={12600,30000,110000};

double[] temmuz={13000,31000,120000}; // henuz belirlenmedi degerler farazi

double[] donemsiniri; // kullanilacak doneme ait sinirlar

donemsiniri=ocak;

if(donem==1)

donemsiniri=temmuz;

double anapara=mevcutgelir;

double kalan = yenigelir;

do{

int onceki=oranbul(anapara,donemsiniri);

int sonraki=oranbul(anapara+kalan,donemsiniri);

if(onceki==sonraki)

{ // durum1 : tamamini vergilendir

toplamvergi+=kalan*oranlar[onceki];

kalan=0;

}

else

{

// durum2 : sinir ustunde devam etmeli

double vergilendirilecek=donemsiniri[onceki]-anapara;

toplamvergi+=vergilendirilecek*oranlar[onceki];

anapara+=vergilendirilecek;

kalan-=vergilendirilecek;

}

}while(kalan>0);

return toplamvergi;

}

private int oranbul(double gelir,double[] sinirlar)

{

for(int i=0;i<sinirlar.length;i++)

{

if(gelir < sinirlar[i])

return i;

}

return sinirlar.length;

}

/**

* @param args

public static void main(String[] args) {

new gelirvergisi();

}

Etiketler: DefaultListModel, Dimension, FlowLayout, gelir vergisi, hesaplama, java, JComboBox, JLabel, JList, JRadioButton, JTextField, setPreferredSize, swing