Track the number of objects created by a class

 PackageDemo01; Public classdemo01 {Private Static intN;  Publicdemo01 () {n++;//you can give n plus 1 for a second object.        }         Public Static intGetnum () {returnN//return n Value        }         Public Static voidMain (string[] args) {//TODO Auto-generated method stubsDemo01 t1=Newdemo01 (); DEMO01 T2=Newdemo01 (); demo01 T3=NewDemo01 ();//Creating ObjectsSYSTEM.OUT.PRINTLN ("Total number of objects:" +demo01.getnum ()); }}

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Track the number of objects created by a class