First part is the button click part. second part is sql part
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
try {
String id1 = jTextField1.getText();
String subj = kk.getSelectedItem().toString();
String name_teacher = tt.getText();
String grde = jComboBox1.getSelectedItem().toString();
String st_d = spinner.getSelectedItem().toString();
int en_d = jSpinner1.getSelectedItem().toString();
String url = "jdbc:sqlserver://localhost:1433;databaseName=class ";
String username = "mali";
String password = "12345";
Connection con = DriverManager.getConnection(url, username, password);
Statement st = con.createStatement();
//String sub = kk.getText();
//String gg =tt.getText();
String QUERY = "INSERT INTO addteacher(id,sub,namet,grd,start_time,end_time)VALUES('" + id1 + "','" + subj + "', '" + name_teacher + "','" + grde + "','" + st_d + "','" + en_d + "')";
st.execute(QUERY);
} catch (Exception e) {
}
}