└── Department.java


/Department.java:
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  1 | /*
  2 |  * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
  3 |  * Click nbfs://nbhost/SystemFileSystem/Templates/GUIForms/JFrame.java to edit this template
  4 |  */
  5 | package javaapplication1;
  6 | import java.sql.*;
  7 | import javax.swing.table.DefaultTableModel;
  8 | /**
  9 |  *
 10 |  * @author lenovo
 11 |  */
 12 | public class Department extends javax.swing.JFrame {
 13 | 
 14 |     /**
 15 |      * Creates new form department
 16 |      */
 17 |     public Department() {
 18 |         initComponents();
 19 |     }
 20 | 
 21 |     /**
 22 |      * This method is called from within the constructor to initialize the form.
 23 |      * WARNING: Do NOT modify this code. The content of this method is always
 24 |      * regenerated by the Form Editor.
 25 |      */
 26 |     @SuppressWarnings("unchecked")
 27 |     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
 28 |     private void initComponents() {
 29 | 
 30 |         jScrollPane1 = new javax.swing.JScrollPane();
 31 |         jTable1 = new javax.swing.JTable();
 32 |         jPanel1 = new javax.swing.JPanel();
 33 |         jLabel1 = new javax.swing.JLabel();
 34 |         jPanel2 = new javax.swing.JPanel();
 35 |         listall = new javax.swing.JButton();
 36 |         jPanel3 = new javax.swing.JPanel();
 37 |         jScrollPane2 = new javax.swing.JScrollPane();
 38 |         depttable = new javax.swing.JTable();
 39 | 
 40 |         jTable1.setModel(new javax.swing.table.DefaultTableModel(
 41 |             new Object [][] {
 42 |                 {null, null, null, null},
 43 |                 {null, null, null, null},
 44 |                 {null, null, null, null},
 45 |                 {null, null, null, null}
 46 |             },
 47 |             new String [] {
 48 |                 "Title 1", "Title 2", "Title 3", "Title 4"
 49 |             }
 50 |         ));
 51 |         jScrollPane1.setViewportView(jTable1);
 52 | 
 53 |         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
 54 | 
 55 |         jPanel1.setBackground(new java.awt.Color(204, 204, 255));
 56 | 
 57 |         jLabel1.setFont(new java.awt.Font("Times New Roman", 1, 18)); // NOI18N
 58 |         jLabel1.setText("       M KUMARASAMY COLEGE OF ENGINEERING");
 59 | 
 60 |         javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
 61 |         jPanel1.setLayout(jPanel1Layout);
 62 |         jPanel1Layout.setHorizontalGroup(
 63 |             jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 64 |             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
 65 |                 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
 66 |                 .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 485, javax.swing.GroupLayout.PREFERRED_SIZE)
 67 |                 .addGap(464, 464, 464))
 68 |         );
 69 |         jPanel1Layout.setVerticalGroup(
 70 |             jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 71 |             .addGroup(jPanel1Layout.createSequentialGroup()
 72 |                 .addGap(19, 19, 19)
 73 |                 .addComponent(jLabel1)
 74 |                 .addContainerGap(8, Short.MAX_VALUE))
 75 |         );
 76 | 
 77 |         jPanel2.setBackground(new java.awt.Color(204, 204, 204));
 78 | 
 79 |         listall.setBackground(new java.awt.Color(153, 153, 153));
 80 |         listall.setFont(new java.awt.Font("Segoe UI", 1, 12)); // NOI18N
 81 |         listall.setText("LIST ALL");
 82 |         listall.addActionListener(new java.awt.event.ActionListener() {
 83 |             public void actionPerformed(java.awt.event.ActionEvent evt) {
 84 |                 listallActionPerformed(evt);
 85 |             }
 86 |         });
 87 | 
 88 |         javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
 89 |         jPanel2.setLayout(jPanel2Layout);
 90 |         jPanel2Layout.setHorizontalGroup(
 91 |             jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 92 |             .addGroup(jPanel2Layout.createSequentialGroup()
 93 |                 .addGap(33, 33, 33)
 94 |                 .addComponent(listall, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)
 95 |                 .addContainerGap(36, Short.MAX_VALUE))
 96 |         );
 97 |         jPanel2Layout.setVerticalGroup(
 98 |             jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 99 |             .addGroup(jPanel2Layout.createSequentialGroup()
100 |                 .addGap(42, 42, 42)
101 |                 .addComponent(listall)
102 |                 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
103 |         );
104 | 
105 |         jPanel3.setBackground(new java.awt.Color(255, 204, 204));
106 | 
107 |         depttable.setFont(new java.awt.Font("Segoe Script", 1, 12)); // NOI18N
108 |         depttable.setModel(new javax.swing.table.DefaultTableModel(
109 |             new Object [][] {
110 |                 {null, null},
111 |                 {null, null},
112 |                 {null, null},
113 |                 {null, null}
114 |             },
115 |             new String [] {
116 |                 "department code", "department name"
117 |             }
118 |         ));
119 |         jScrollPane2.setViewportView(depttable);
120 | 
121 |         javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
122 |         jPanel3.setLayout(jPanel3Layout);
123 |         jPanel3Layout.setHorizontalGroup(
124 |             jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
125 |             .addGroup(jPanel3Layout.createSequentialGroup()
126 |                 .addContainerGap()
127 |                 .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 295, javax.swing.GroupLayout.PREFERRED_SIZE)
128 |                 .addContainerGap(17, Short.MAX_VALUE))
129 |         );
130 |         jPanel3Layout.setVerticalGroup(
131 |             jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
132 |             .addGroup(jPanel3Layout.createSequentialGroup()
133 |                 .addContainerGap()
134 |                 .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 275, javax.swing.GroupLayout.PREFERRED_SIZE)
135 |                 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
136 |         );
137 | 
138 |         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
139 |         getContentPane().setLayout(layout);
140 |         layout.setHorizontalGroup(
141 |             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
142 |             .addGroup(layout.createSequentialGroup()
143 |                 .addGap(16, 16, 16)
144 |                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
145 |                     .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
146 |                     .addGroup(layout.createSequentialGroup()
147 |                         .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
148 |                         .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
149 |                         .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
150 |                 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
151 |         );
152 |         layout.setVerticalGroup(
153 |             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
154 |             .addGroup(layout.createSequentialGroup()
155 |                 .addGap(15, 15, 15)
156 |                 .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
157 |                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
158 |                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
159 |                     .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
160 |                     .addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
161 |                 .addContainerGap())
162 |         );
163 | 
164 |         pack();
165 |     }// </editor-fold>//GEN-END:initComponents
166 | 
167 |     private void listallActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_listallActionPerformed
168 |         DefaultTableModel model = (DefaultTableModel) depttable.getModel();
169 |         while(model.getRowCount()>0){
170 |             for(int i=0;i<model.getRowCount();i++){
171 |                 model.removeRow(i);
172 |             }
173 |         }
174 |        try{
175 | 	        //step1 load the driver class
176 | 	        Class.forName("com.mysql.cj.jdbc.Driver");		
177 |             //step3 create the statement object
178 |             //step2 create the connection object
179 |                 Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/department","root","2004" );
180 |                 //step3 create the statement object
181 |                 Statement stmt=con.createStatement();
182 |                 //step4 execute query
183 |                 //ResultSet rs=stmt.executeQuery("create table employee (empid number(4), empname varchar2(25))");
184 |                 //ResultSet rs=stmt.executeQuery("insert into employee values(1002, 'Rajesh')");
185 |                 //stmt.executeUpdate("update dep_info set dept_name='AIML' where dept_code=3");
186 |                // stmt.executeUpdate("insert into dep_info");
187 |                 ResultSet rs =stmt.executeQuery("select * from dep_info");
188 |                 while (rs.next()) {
189 |                    Object[] data ={rs.getInt(1),rs.getString(2)};
190 |                    model.addRow(data);
191 |                 }
192 |                // stmt.executeUpdate("delete from dep_info where dept_code=3");
193 |                 //step5 close the connection object
194 |             }		
195 | 	catch(Exception e){ System.out.println(e);} 		
196 |        
197 |     }                                       
198 | 
199 |     /**
200 |      * @param args the command line arguments
201 |      */
202 |     public static void main(String args[]) {
203 |         /* Set the Nimbus look and feel */
204 |         //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
205 |         /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
206 |          * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
207 |          */
208 |         try {
209 |             for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
210 |                 if ("Nimbus".equals(info.getName())) {
211 |                     javax.swing.UIManager.setLookAndFeel(info.getClassName());
212 |                     break;
213 |                 }
214 |             }
215 |         } catch (ClassNotFoundException ex) {
216 |             java.util.logging.Logger.getLogger(Department.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
217 |         } catch (InstantiationException ex) {
218 |             java.util.logging.Logger.getLogger(Department.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
219 |         } catch (IllegalAccessException ex) {
220 |             java.util.logging.Logger.getLogger(Department.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
221 |         } catch (javax.swing.UnsupportedLookAndFeelException ex) {
222 |             java.util.logging.Logger.getLogger(Department.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
223 |         }
224 |         //</editor-fold>
225 | 
226 |         /* Create and display the form */
227 |         java.awt.EventQueue.invokeLater(new Runnable() {
228 |             public void run() {
229 |                 new Department().setVisible(true);
230 |             }
231 |         });
232 |     }//GEN-LAST:event_listallActionPerformed
233 | 
234 |     
235 |     // Variables declaration - do not modify//GEN-BEGIN:variables
236 |     private javax.swing.JTable depttable;
237 |     private javax.swing.JLabel jLabel1;
238 |     private javax.swing.JPanel jPanel1;
239 |     private javax.swing.JPanel jPanel2;
240 |     private javax.swing.JPanel jPanel3;
241 |     private javax.swing.JScrollPane jScrollPane1;
242 |     private javax.swing.JScrollPane jScrollPane2;
243 |     private javax.swing.JTable jTable1;
244 |     private javax.swing.JButton listall;
245 |     // End of variables declaration//GEN-END:variables
246 | }
247 | 


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