while trying to save record into Oracle 10g using java Swing the program terminates without executing -


hi, i'm trying save record oracle 10g using java swing program. when run program terminated

import java.awt.event.*;  import java.sql.*;  @suppresswarnings("serial") class insert extends jframe implements actionlistener  {  jlabel label,label1,label2,label3,label4,label5; jtextfield tf1,tf2,tf3,tf4,tf5; jbutton btn; connection con;  insert() {     super("inserting employee records");          label1 = new jlabel("empid:");          label1.setbounds(20,20,100,20);          tf1 = new jtextfield(50);          tf1.setbounds(130, 120, 200, 20);          label2 = new jlabel("employeename:");          label2.setbounds(20, 150, 100, 20);          tf2 = new jtextfield(100);          tf2.setbounds(130, 150, 200, 20);          label3 = new jlabel("gender:");          label3.setbounds(20, 180, 100, 20);          tf3 = new jtextfield(50);          tf3.setbounds(130, 180, 200, 20);          label4 = new jlabel("dob:");          label4.setbounds(20, 210, 100, 20);          tf4 = new jtextfield(50);          tf4.setbounds(130, 210, 100, 20);          label5 = new jlabel("doj");          label5.setbounds(130, 240, 100, 20);          tf5 = new jtextfield(50);          tf5.setbounds(130,270,100,20);          btn = new jbutton("submit");          btn.setbounds(130, 300, 100, 20);          btn.addactionlistener(this);          add(label1);         add(tf1);         add(label2);         add(tf2);         add(label3);         add(tf3);         add(label4);         add(tf4);         add(label5);         add(tf5);         add(btn);          tf1.seteditable(false);         tf5.seteditable(false);  }    public void actionperformed(actionevent ae) {     string id = tf1.gettext();     string name = tf2.gettext();     string gender = tf3.gettext();     string dob = tf4.gettext();   try {     string url="jdbc:oracle:thin:@localhost:1521:xe";     string u="ems2";     string p="ems2";     class.forname("oracle.jdbc.driver.oracledriver");     con=drivermanager.getconnection(url,u,p);       preparedstatement st = con.preparestatement("insert employee"+"(emp_id,"+"employeename,"+"gender,"+"dob,"+"doj)"+"values(?,?,?,?,?)");     st.setstring(1, id);     st.setstring(2,name);     st.setstring(3,gender);     st.setstring(4, dob);     st.executeupdate();     joptionpane.showmessagedialog(null, "data inserted database");     con.close();  }  catch(exception ex) {     system.out.println(ex); } } public static void main(string [] args) {     new  insert(); } }e

your not showing insert jframe. try do:

new insert().setvisible(true);

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