HESAP CLASS'I

import java.awt.Color;
import java.awt.Font;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JMenuBar;

public class Hesap extends JFrame 
{
   private JLabel displayJLabel; 
   @SuppressWarnings({"unused","unused", "unused"})
   public Hesap()
   {
      super( "HESAP MAKINEM" );     

      JMenu fileMenu = new JMenu( "MENU" ); 
      fileMenu.setMnemonic( 'F' ); 

   
      JMenuItem toplaItem = new JMenuItem( "TOPLAMA" );
      toplaItem.setMnemonic( 'T' ); 
      fileMenu.add( toplaItem );
      toplaItem.addActionListener(

         new ActionListener() 
         {  
            
            public void actionPerformed( ActionEvent event )
            {
                Toplama can= new Toplama(); 
                can.setSize( 250, 200 );
                can.setVisible( true ); 
            }
         } 
      ); 
      
      JMenuItem cikarmaItem = new JMenuItem("CIKARTMA");
      cikarmaItem.setMnemonic('B');
      fileMenu.add(cikarmaItem);
      cikarmaItem.addActionListener(

    	 new ActionListener()
    	     {  
    	          
    	      public void actionPerformed( ActionEvent event )
    	     {
    	    	  
    	    	   { 
    	    		     Cikartma can= new Cikartma(); 
    	    		     can.setSize( 250, 200 );
    	    		     can.setVisible( true ); 
    	    	   }
    	    } 
    	 } 
      );
      JMenuItem carpItem = new JMenuItem("CARPMA");
      carpItem.setMnemonic('C');
      fileMenu.add(carpItem);
      carpItem.addActionListener(

    	 new ActionListener()
    	     {  
    	          
    	      public void actionPerformed( ActionEvent event )
    	     {
    	    	  
    	    	   { 
    	    		    Carpma can= new Carpma(); 
    	    		    can.setSize( 250, 200 );
    	    		    can.setVisible( true ); 
    	    	   }
    	    } 
    	 } 
      );
      JMenuItem bolItem = new JMenuItem("BOLME");
      bolItem.setMnemonic('D');
      fileMenu.add(bolItem);
      bolItem.addActionListener(

    	 new ActionListener()
    	     {  
    	          
    	      public void actionPerformed( ActionEvent event )
    	     {
    	    	  
    	    	   { 
    	    		      Bolme can= new Bolme(); 
    	    		      can.setSize( 250, 200 );
    	    		      can.setVisible( true ); 
    	    	   }
    	    } 
    	 } 
      );
      

      JMenuItem exitItem = new JMenuItem( "ÇIKIŞ" ); 
      exitItem.setMnemonic( 'x' );
      fileMenu.add( exitItem ); 
      exitItem.addActionListener(

         new ActionListener() 
         {  
            
            public void actionPerformed( ActionEvent event )
            {
               System.exit( 0 ); 
            } 
         } 
      ); 

      displayJLabel = new JLabel( "HESAP MAKİNEM(CAN EROL)", SwingConstants.CENTER );
      displayJLabel.setFont( new Font( "Serif", Font.PLAIN,45) );
      getContentPane().setBackground( Color.ORANGE ); 
      add( displayJLabel, BorderLayout.CENTER ); 
      
      JMenuBar bar = new JMenuBar();
      setJMenuBar( bar );
      bar.add( fileMenu ); 
   
   } 



   public static void main( String args[] )
   { 
      Hesap Can= new Hesap(); 
      Can.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
      Can.setSize( 650, 175 );
      Can.setVisible( true ); 
   } 
}

TOPLA CLASS'I

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JMenuBar;
import java.awt.*;
public class Toplama extends JFrame 
{
   private TextField A;
   private TextField B;
   private TextField C;
   private Label ilk;
   private Label iki;
   private Label uc;
   private Button Topla;
   
   @SuppressWarnings({"unused","unused", "unused"})
   public Toplama()
   {
      super( "TOPLAMA ISLEMI" );
      setLayout(new FlowLayout());
      ilk = new Label("ILK SAYI     ");
      add(ilk);
      A = new TextField(15);
      add(A);

      iki = new Label("IKINCI SAYI");
      add(iki);
      B = new TextField(15);
      add(B);

      uc = new Label("ESITTIR      ");
      add(uc);
      C = new TextField(15);
      add(C);
   
      
      Topla = new Button("TOPLA");
      add(Topla);
      Topla.addActionListener(

    	         new ActionListener() 
    	         {  
    	            
    	            public void actionPerformed( ActionEvent event )
    	            {
    	                float x = Integer.parseInt(A.getText());
    	                float y = Integer.parseInt(B.getText());
    	                float esittir = x+y;
    	                C.setText(String.valueOf(esittir));
    	            }
    	         } 
      ); 

      JMenu fileMenu = new JMenu( "MENU" ); 
      fileMenu.setMnemonic( 'F' ); 


      
      JMenuItem exitItem = new JMenuItem( "ÇIKIŞ" ); 
      exitItem.setMnemonic( 'x' );
      fileMenu.add( exitItem ); 
      exitItem.addActionListener(

         new ActionListener() 
         {  
            
            public void actionPerformed( ActionEvent event )
            {
               System.exit( 0 ); 
            } 
         } 
      ); 

      JMenuBar bar = new JMenuBar();
      setJMenuBar( bar );
      bar.add( fileMenu ); 
   } 
   public static void main( String args[] )
   { 
      Toplama can= new Toplama(); 
      can.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
      can.setSize( 250, 200 );
      can.setVisible( true ); 
   } 
} 

CIKARTMA CLASS'I

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JMenuBar;
import java.awt.*;
public class Cikartma extends JFrame 
{
   private TextField A;
   private TextField B;
   private TextField C;
   private Label ilk;
   private Label iki;
   private Label uc;
   private Button cikartma;
   
   @SuppressWarnings({"unused","unused", "unused"})
   public Cikartma()
   {
      super( "CIKARTMA ISLEMI" );
      setLayout(new FlowLayout());
      ilk = new Label("ILK SAYI     ");
      add(ilk);
      A = new TextField(15);
      add(A);

      iki = new Label("IKINCI SAYI");
      add(iki);
      B = new TextField(15);
      add(B);

      uc = new Label("ESITTIR      ");
      add(uc);
      C = new TextField(15);
      add(C);

      
      cikartma = new Button("CIKART");
      add(cikartma);
      cikartma.addActionListener(

    	         new ActionListener() 
    	         {  
    	            
    	            public void actionPerformed( ActionEvent event )
    	            {
    	                float x = Integer.parseInt(A.getText());
    	                float y = Integer.parseInt(B.getText());
    	                float esittir = x-y;
    	                C.setText(String.valueOf(esittir));
    	            }
    	         } 
      ); 

      JMenu fileMenu = new JMenu( "MENU" ); 
      fileMenu.setMnemonic( 'F' ); 


      
      JMenuItem exitItem = new JMenuItem( "ÇIKIŞ" ); 
      exitItem.setMnemonic( 'x' );
      fileMenu.add( exitItem ); 
      exitItem.addActionListener(

         new ActionListener() 
         {  
            
            public void actionPerformed( ActionEvent event )
            {
               System.exit( 0 ); 
            } 
         } 
      ); 

      JMenuBar bar = new JMenuBar();
      setJMenuBar( bar );
      bar.add( fileMenu ); 
   } 
   public static void main( String args[] )
   { 
      Cikartma can= new Cikartma(); 
      can.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
      can.setSize( 250, 200 );
      can.setVisible( true ); 
   } 
} 

CARPMA CLASS' I

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JMenuBar;
import java.awt.*;
public class Carpma extends JFrame 
{
   private TextField A;
   private TextField B;
   private TextField C;
   private Label ilk;
   private Label iki;
   private Label uc;
   private Button carpma;
   
   @SuppressWarnings({"unused","unused", "unused"})
   public Carpma()
   {
      super( "CARPMA ISLEMI" );
      setLayout(new FlowLayout());
      ilk = new Label("ILK SAYI     ");
      add(ilk);
      A = new TextField(15);
      add(A);

      iki = new Label("IKINCI SAYI");
      add(iki);
      B = new TextField(15);
      add(B);

      uc = new Label("ESITTIR      ");
      add(uc);
      C = new TextField(15);
      add(C);

      
      carpma = new Button("CARP");
      add(carpma);
      carpma.addActionListener(

    	         new ActionListener() 
    	         {  
    	            
    	            public void actionPerformed( ActionEvent event )
    	            {
    	                float x = Integer.parseInt(A.getText());
    	                float y = Integer.parseInt(B.getText());
    	                float esittir = x*y;
    	                C.setText(String.valueOf(esittir));
    	            }
    	         } 
      ); 

      JMenu fileMenu = new JMenu( "MENU" ); 
      fileMenu.setMnemonic( 'F' ); 


      
      JMenuItem exitItem = new JMenuItem( "ÇIKIŞ" ); 
      exitItem.setMnemonic( 'x' );
      fileMenu.add( exitItem ); 
      exitItem.addActionListener(

         new ActionListener() 
         {  
            
            public void actionPerformed( ActionEvent event )
            {
               System.exit( 0 ); 
            } 
         } 
      ); 

      JMenuBar bar = new JMenuBar();
      setJMenuBar( bar );
      bar.add( fileMenu ); 
   } 
   public static void main( String args[] )
   { 
      Carpma can= new Carpma(); 
      can.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
      can.setSize( 250, 200 );
      can.setVisible( true ); 
   } 
} 

BOLME

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JMenuBar;
import java.awt.*;
public class Bolme extends JFrame 
{
   private TextField A;
   private TextField B;
   private TextField C;
   private Label ilk;
   private Label iki;
   private Label uc;
   private Button bol;
   
   @SuppressWarnings({"unused","unused", "unused"})
   public Bolme()
   {
      super( "BOLME ISLEMI" );
      setLayout(new FlowLayout());
      ilk = new Label("ILK SAYI     ");
      add(ilk);
      A = new TextField(15);
      add(A);

      iki = new Label("IKINCI SAYI");
      add(iki);
      B = new TextField(15);
      add(B);

      uc = new Label("ESITTIR      ");
      add(uc);
      C = new TextField(15);
      add(C);

      
      bol = new Button("BOL");
      add(bol);
      bol.addActionListener(

    	         new ActionListener() 
    	         {  
    	            
    	            public void actionPerformed( ActionEvent event )
    	            {
    	                float x = Integer.parseInt(A.getText());
    	                float y = Integer.parseInt(B.getText());
    	                float esittir = x/y;
    	                C.setText(String.valueOf(esittir));
    	            }
    	         } 
      ); 

      JMenu fileMenu = new JMenu( "MENU" ); 
      fileMenu.setMnemonic( 'F' ); 


      
      JMenuItem exitItem = new JMenuItem( "ÇIKIŞ" ); 
      exitItem.setMnemonic( 'x' );
      fileMenu.add( exitItem ); 
      exitItem.addActionListener(

         new ActionListener() 
         {  
            
            public void actionPerformed( ActionEvent event )
            {
               System.exit( 0 ); 
            } 
         } 
      ); 

      JMenuBar bar = new JMenuBar();
      setJMenuBar( bar );
      bar.add( fileMenu ); 
   } 
   public static void main( String args[] )
   { 
      Bolme can= new Bolme(); 
      can.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
      can.setSize( 250, 200 );
      can.setVisible( true ); 
   } 
}