// Verify if the number of items of list right member (on fedinition) is equal to left member public Boolean verifyNumberVarList(int num_var) { Iterator<Symbol> it1 = this.getMembers().iterator(); Symbol sym1; int i; for (i = 1; i < num_var; i++) { sym1 = it1.next(); if (sym1.getIsVariableSymbol() == false) break; } if (i == num_var) return true; else return false; }