Kalkulator - wygląd jest

src/swing/kalkulator/OknoKalkulatora.form

@@ -3,6 +3,7 @@
 <Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
   <Properties>
     <Property name="defaultCloseOperation" type="int" value="3"/>
+    <Property name="title" type="java.lang.String" value="Kalkulator ALX"/>
   </Properties>
   <SyntheticProperties>
     <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
@@ -67,7 +68,7 @@
         <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
           <Font name="Arial" size="32" style="0"/>
         </Property>
-        <Property name="text" type="java.lang.String" value="jTextField1"/>
+        <Property name="horizontalAlignment" type="int" value="4"/>
       </Properties>
     </Component>
     <Component class="javax.swing.JTextField" name="jTextField2">
@@ -75,7 +76,7 @@
         <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
           <Font name="Arial" size="32" style="0"/>
         </Property>
-        <Property name="text" type="java.lang.String" value="jTextField2"/>
+        <Property name="horizontalAlignment" type="int" value="4"/>
       </Properties>
     </Component>
     <Component class="javax.swing.JComboBox" name="jComboBox1">
@@ -85,13 +86,16 @@
         </Property>
         <Property name="model" type="javax.swing.ComboBoxModel" editor="org.netbeans.modules.form.editors2.ComboBoxModelEditor">
           <StringArray count="4">
-            <StringItem index="0" value="Item 1"/>
-            <StringItem index="1" value="Item 2"/>
-            <StringItem index="2" value="Item 3"/>
-            <StringItem index="3" value="Item 4"/>
+            <StringItem index="0" value="+"/>
+            <StringItem index="1" value="-"/>
+            <StringItem index="2" value="*"/>
+            <StringItem index="3" value="/"/>
           </StringArray>
         </Property>
       </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="jComboBox1ActionPerformed"/>
+      </Events>
       <AuxValues>
         <AuxValue name="JavaCodeGenerator_TypeParameters" type="java.lang.String" value="&lt;String&gt;"/>
       </AuxValues>
@@ -101,7 +105,7 @@
         <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
           <Font name="Arial" size="32" style="0"/>
         </Property>
-        <Property name="text" type="java.lang.String" value="jButton1"/>
+        <Property name="text" type="java.lang.String" value="Oblicz"/>
       </Properties>
     </Component>
     <Component class="javax.swing.JTextField" name="jTextField3">
@@ -109,7 +113,8 @@
         <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
           <Font name="Arial" size="32" style="0"/>
         </Property>
-        <Property name="text" type="java.lang.String" value="jTextField3"/>
+        <Property name="horizontalAlignment" type="int" value="4"/>
+        <Property name="text" type="java.lang.String" value="0"/>
       </Properties>
     </Component>
   </SubComponents>

src/swing/kalkulator/OknoKalkulatora.java

@@ -25,21 +25,28 @@ public class OknoKalkulatora extends javax.swing.JFrame {
         jTextField3 = new javax.swing.JTextField();
 
         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+        setTitle("Kalkulator ALX");
 
         jTextField1.setFont(new java.awt.Font("Arial", 0, 32)); // NOI18N
-        jTextField1.setText("jTextField1");
+        jTextField1.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
 
         jTextField2.setFont(new java.awt.Font("Arial", 0, 32)); // NOI18N
-        jTextField2.setText("jTextField2");
+        jTextField2.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
 
         jComboBox1.setFont(new java.awt.Font("Arial", 0, 32)); // NOI18N
-        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
+        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "+", "-", "*", "/" }));
+        jComboBox1.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                jComboBox1ActionPerformed(evt);
+            }
+        });
 
         jButton1.setFont(new java.awt.Font("Arial", 0, 32)); // NOI18N
-        jButton1.setText("jButton1");
+        jButton1.setText("Oblicz");
 
         jTextField3.setFont(new java.awt.Font("Arial", 0, 32)); // NOI18N
-        jTextField3.setText("jTextField3");
+        jTextField3.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
+        jTextField3.setText("0");
 
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -77,6 +84,10 @@ public class OknoKalkulatora extends javax.swing.JFrame {
         pack();
     }// </editor-fold>//GEN-END:initComponents
 
+    private void jComboBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jComboBox1ActionPerformed
+        // TODO add your handling code here:
+    }//GEN-LAST:event_jComboBox1ActionPerformed
+
     /**
      * @param args the command line arguments
      */