New to Java

Hi All,
I am getting the following error
Exception in thread "main" java.lang.StackOverflowError
at java.util.ArrayList.<init>(Unknown Source)
at com.migration.wcm.vigneete.InitializeCls.<init>(InitializeCls.java:12)
at com.migration.wcm.vigneete.ConnectMySQL.<init>(ConnectMySQL.java:26)
at com.migration.wcm.vigneete.InitializeCls.<init>(InitializeCls.java:13)
at com.migration.wcm.vigneete.InitializeCls.<init>(InitializeCls.java:13)

This errror occurs in infinate loop
my code is

public class ConnectMySQL {


/**
*DESCRIPTION :method to connect to mysql
*/

InitializeCls initialize = new InitializeCls(); ///line 26

??????
????..
????.

public class InitializeCls {
Document dom;
Element rootEle;
public List<DefineTags> myData = new ArrayList<DefineTags>();//line 13

Why do i get this kind of stack overflow .I am just calling a class?
Please help?

Thanks in advance