EQUIVALENCEin fortran. Ampersand is the address and reference operator.
static JobCROOT& Instance()
staticmeans that the function, or data member is associated with the class but not with a particular object. So, as long as not protected against outside access by the use of
protectedkeywords they can be used without first accessing any object, although any reference has to be qualified by the class name using the scope operator e.g.:-
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