#include "TH1F.h" #include void totest() { int i,k; TString test = ("name"); TH1F **hist = new TH1F *[2]; for (i=0;i<2;i++) hist[i]= new TH1F [2]; for (i=0;i<2;i++) { for (k=0;k<2;k++) { test +=k; hist[i][k] = new TH1F (test,"1",100,0.0,10); } } }