1 import javax.swing.*;
2 import java.awt.*;
3 import java.awt.event.*;
4 import java.sql.*;
5 import java.io.*;
6 //import javafx.scene.paint.*;
7
8 class MainFrame extends JFrame
9 {
10 Container c;
11 JButton btnAdd, btnView, btnUpdate , btnDelete;
12 Color col = new Color(67,190,200);
13
14 MainFrame()
15 {
16 c = getContentPane();
17 c.setLayout(new FlowLayout());
18 c.setBackground(new Color(42, 119, 191));
19 btnAdd = new JButton("Add");
20 btnAdd.setBackground(Color.orange);
21 btnView = new JButton("View");
22 btnView.setBackground(Color.orange);
23 btnUpdate = new JButton("Update");
24 btnUpdate.setBackground(Color.orange);
25 btnDelete = new JButton("Delete");
26 btnDelete.setBackground(Color.orange);
27 this.addWindowListener(new WL());
28
29 c.add(btnAdd);
30 c.add(btnView);
31 c.add(btnUpdate);
32 c.add(btnDelete);
33
34 btnAdd.addActionListener(new ActionListener(){
35 public void actionPerformed(ActionEvent ae)
36 {
37 AddFrame a =new AddFrame();
38 dispose();
39 }
40 });
41
42 btnView.addActionListener(new ActionListener(){
43 public void actionPerformed(ActionEvent ae)
44 {
45 ViewFrame a =new ViewFrame();
46 dispose();
47 }
48 });
49
50 btnUpdate.addActionListener(new ActionListener(){
51 public void actionPerformed(ActionEvent ae){
52 UpdateFrame a = new UpdateFrame();
53 dispose();
54 }
55 });
56
57 btnDelete.addActionListener(new ActionListener(){
58 public void actionPerformed(ActionEvent ae){
59 DeleteFrame a = new DeleteFrame();
60 dispose();
61
62 }
63 });
64
65
66
67 setTitle("S. M. S");
68 setSize(500,400);
69 setLocationRelativeTo(null);
70 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
71 setVisible(true);
72 }
73
74
75 public static void main(String[] args)
76 {
77 MainFrame m = new MainFrame();
78
79 }
80
81
82 class WL implements WindowListener {
83
84 public void windowActivated(WindowEvent e) {}
85 public void windowDeactivated(WindowEvent e) {}
86
87 public void windowOpened(WindowEvent e)
88 {
89 JOptionPane.showMessageDialog(c , "Welcome to Student Management System ");
90 }
91
92 public void windowClosed(WindowEvent e) {}
93
94 public void windowClosing(WindowEvent e)
95 {
96 int output = JOptionPane.showConfirmDialog(c , "Are you Sure ? ", null , JOptionPane.YES_OPTION);
97 if(output == JOptionPane.YES_OPTION)
98 {
99 JOptionPane.showMessageDialog(null , "Please visit again");
100 System.exit(1);
101 }
102
103
104 }
105
106 public void windowIconified(WindowEvent e) {}
107 public void windowDeiconified(WindowEvent e) {}
108
109 } // end of WL
110
111 }
112
113
114 class DbHandler
115 {
116
117 public void addStudent(int rno , String name)
118 {
119 try
120 {
121 /*DriverManager.registerDriver
122 (new oracle.jdbc.driver.OracleDriver());*/
123 Connection con = DriverManager.getConnection
124 ("jdbc:mysql://localhost:3306/db2","root","mysqlmysqli0");
125 String sql = "insert into student values(?,?)";
126 PreparedStatement pst = con.prepareStatement(sql);
127 pst.setInt(1,rno);
128 pst.setString(2,name);
129 int r =pst.executeUpdate();
130 JOptionPane.showMessageDialog(new JDialog() , r + " records inserted");
131 con.close();
132
133 }
134 catch(SQLException e)
135 {
136 JOptionPane.showMessageDialog(new JDialog(),"ii" +e);
137 }
138 }
139
140 public String viewStudent()
141 {
142 StringBuffer sb = new StringBuffer();
143 try
144 {
145 /*DriverManager.registerDriver
146 (new oracle.jdbc.driver.OracleDriver());*/
147 Connection con = DriverManager.getConnection
148 ("jdbc:mysql://localhost:3306/db2","root","mysqlmysqli0");
149 String sql = "select * from Student";
150 Statement stmt = con.createStatement();
151 ResultSet rs = stmt.executeQuery(sql);
152
153 while(rs.next()){
154 int rno = rs.getInt(1);
155 String name = rs.getString(2);
156 sb.append("Rno " + rno + " Name " + name + "\n");
157 }
158 rs.close();
159 con.close();
160
161 }
162 catch(SQLException e)
163 {
164
165 }
166 return sb.toString();
167 }
168
169 public void UpdateStudent(int rno ,String name)
170 {
171 try
172 {
173 /*DriverManager.registerDriver
174 (new oracle.jdbc.driver.OracleDriver());*/
175 Connection con = DriverManager.getConnection
176 ("jdbc:mysql://localhost:3306/db2","root","mysqlmysqli0");
177 String sql1 = "update student set name=? where rno=? ";
178 PreparedStatement pstmt1 = con.prepareStatement(sql1);
179 pstmt1.setInt(2, rno);
180 pstmt1.setString(1,name);
181 int z = pstmt1.executeUpdate();
182 JOptionPane.showMessageDialog(new JDialog(),z + " Name Updated" );
183 con.close();
184
185
186 }
187 catch(SQLException e)
188 {
189 System.out.println("Update issue" + e);
190 }
191 }
192 public void DeleteStudent(int rno)
193 {
194 try
195 {
196 /*DriverManager.registerDriver
197 (new oracle.jdbc.driver.OracleDriver());*/
198 Connection con = DriverManager.getConnection
199 ("jdbc:mysql://localhost:3306/db2","root","mysqlmysqli0");
200 String s2 = "delete from student where rno=?";
201 PreparedStatement p1 = con.prepareStatement(s2);
202 p1.setInt(1,rno);
203 int r = p1.executeUpdate();
204 JOptionPane.showMessageDialog(new JDialog(), r + " Student Data Deleted ");
205 con.close();
206
207
208 }
209 catch(SQLException e)
210 {
211 System.out.println("Delete issue" + e);
212 }
213
214
215
216 }
217
218 } // end of DBHandler class
219
220
221 /*
222 import javax.swing.*;
223 import java.awt.*;
224 import java.awt.event.*;
225 import java.sql.*;
226
227
228 class MainFrame extends JFrame
229 {
230 Container c;
231 JButton btnAdd, btnView, btnUpdate , btnDelete;
232
233 MainFrame()
234 {
235 c = getContentPane();
236 c.setLayout(new FlowLayout());
237 btnAdd = new JButton("Add");
238 btnView = new JButton("View");
239 btnUpdate = new JButton("Update");
240 btnDelete = new JButton("Delete");
241
242 c.add(btnAdd);
243 c.add(btnView);
244 c.add(btnUpdate);
245 c.add(btnDelete);
246
247 btnAdd.addActionListener(new ActionListener(){
248 public void actionPerformed(ActionEvent ae)
249 {
250 AddFrame a =new AddFrame();
251 dispose();
252 }
253 });
254
255 btnView.addActionListener(new ActionListener(){
256 public void actionPerformed(ActionEvent ae)
257 {
258 ViewFrame a =new ViewFrame();
259 dispose();
260 }
261 });
262
263 btnUpdate.addActionListener(new ActionListener(){
264 public void actionPerformed(ActionEvent ae){
265 UpdateFrame a = new UpdateFrame();
266 dispose();
267 }
268 });
269
270
271 setTitle("S. M. S");
272 setSize(350,200);
273 setLocationRelativeTo(null);
274 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
275 setVisible(true);
276 }
277
278
279 public static void main(String[] args)
280 {
281 MainFrame m = new MainFrame();
282 }
283
284 }
285
286
287 class DbHandler
288 {
289 public void addStudent(int rno , String name)
290 {
291 try
292 {
293 DriverManager.registerDriver
294 (new oracle.jdbc.driver.OracleDriver());
295 Connection con = DriverManager.getConnection
296 ("jdbc:oracle:thin:@localhost:1521:xe","system","abc123");
297 String sql = "insert into student values(?,?)";
298 PreparedStatement pst = con.prepareStatement(sql);
299 pst.setInt(1,rno);
300 pst.setString(2,name);
301 int r =pst.executeUpdate();
302 JOptionPane.showMessageDialog(new JDialog() , r + "records inserted");
303 con.close();
304
305 }
306 catch(SQLException e)
307 {
308 JOptionPane.showMessageDialog(new JDialog(),"ii" +e);
309 }
310 }
311
312 public String viewStudent()
313 {
314 StringBuffer sb = new StringBuffer();
315 try
316 {
317 DriverManager.registerDriver
318 (new oracle.jdbc.driver.OracleDriver());
319 Connection con = DriverManager.getConnection
320 ("jdbc:oracle:thin:@localhost:1521:xe","system","abc123");
321 String sql = "select * from Student";
322 Statement stmt = con.createStatement();
323 ResultSet rs = stmt.executeQuery(sql);
324
325 while(rs.next()){
326 int rno = rs.getInt(1);
327 String name = rs.getString(2);
328 sb.append("Rno " + rno + "Name " + name + "\n");
329 }
330 rs.close();
331 con.close();
332
333 }
334 catch(SQLException e)
335 {
336
337 }
338 return sb.toString();
339 }
340
341 public void UpdateStudent()
342 {
343 try
344 {
345 DriverManager.registerDriver
346 (new oracle.jdbc.driver.OracleDriver());
347 Connection con = DriverManager.getConnection
348 ("jdbc:oracle:thin:@localhost:1521:xe","system","abc123");
349 Statement stmt1 = con.createStatement();
350 String sql1 = "update student set name='Harshal' where rno=4 ";
351 int z = stmt1.executeUpdate(sql1);
352 JOptionPane.showMessageDialog(new JDialog(),z + "Name Updated" );
353 con.close();
354
355
356 }
357 catch(SQLException e)
358 {
359 System.out.println("Update issue" + e);
360 }
361
362
363
364 }
365
366 } // end of DBHandler class
367 */
