How to call an event handler function written in one JFrame in another jframe?

Question

How to make function selectRecords("select * from Seva_Details"); written in a JFrame accessible in another, separate JFrame?

public void selectRecords(String SQL_Query) 
{
    try
    {
        Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
        Rs1 = stmt.executeQuery(SQL_Query);  
    }
    catch(Exception ex123) {}
}