String x = (String) jComboBox1.getSelectedItem();
String z = JOptionPane.showInputDialog("Please enter new name for Database");
        try{
        Class.forName("java.sql.DriverManager");
        Connection con = (Connection)
        DriverManager.getConnection("jdbc:mysql://localhost:"+GlobalParams.portvar+"/",""+k,""+j);
        Statement stmnt = (Statement) con.createStatement();
        String query = "use "+x;
        stmnt.executeQuery(query);
        String query2 = "show tables";
        Statement stmnt2 = (Statement) con.createStatement();
        ResultSet rs = stmnt2.executeQuery(query2);
        while (rs.next()){
        String dname = rs.getString("Tables_in_"+x);
        if(jTextArea1.getText().equals("")){
        jTextArea1.setText(jTextArea1.getText()+dname);
        }
        else{
            jTextArea1.setText(jTextArea1.getText()+"\n"+dname);
        }
        String y = jTextArea1.getText();
        Scanner scanner = new Scanner(y);
        while (scanner.hasNextLine()) {
        String line = scanner.nextLine();
        String query3 = "Create database "+z;
        Statement stmnt3 = (Statement) con.createStatement();
        stmnt3.executeUpdate(query3);
        String query4 =  "RENAME TABLE "+x+"."+line+" TO "+z+"."+line;
        stmnt.executeUpdate(query4);
        Statement stmnt5 = (Statement) con.createStatement();
        String query5 = "drop database "+x;
        stmnt5.executeUpdate(query5);
}}}

    catch(Exception e){
        e.printStackTrace();
    }