Qt Code:
  1. //in CYourClass.h file
  2. CYourClass
  3. {
  4. private:
  5. static QList<QString> m_strList;
  6. };
To copy to clipboard, switch view to plain text mode 

Qt Code:
  1. //in CYourClass.cpp file
  2. #include "cyourclass.h"
  3.  
  4. QList<QString> CYourClass::m_strList;
  5.  
  6. CYourClass::CYourClass()
  7. {
  8.  
  9. }
To copy to clipboard, switch view to plain text mode 

Follow the same for QStringList also.