test08.cpp: In member function 'void Object1::func2(int*)':
test08.cpp:20:20: warning: Using parameter 'ptr2' without checking for null pointer
         *ptr2 = 200;
                    ^
test08.cpp: In member function 'void Object1::func3(int*)':
test08.cpp:28:20: warning: Using parameter 'ptr3' without checking for null pointer
         *ptr3 = 300;
                    ^
test08.cpp: In member function 'void Object1::func6(int*)':
test08.cpp:59:20: warning: Using parameter 'ptr6' without checking for null pointer
         *ptr6 = 600;
                    ^