[ros-users] Problem with tutorial 11: Writing a Simple Publisher and Subscriber (C++)

[#TAN ZHI PING#]

 Hi to all,

Thanks for your help. But i'm very curious why there is only output from ROS_INFO and none from ROS_DEBUG although there is no error.

--------------------------------------------Experiment.cpp------------------------------
#include <ros/console.h>

int main(void){

    ROS_DEBUG("Hello %s", "World");
    ROS_DEBUG_STREAM("Hello " << "World");
    ROS_INFO("%s", "World");

return 0;
}
----------------------------------------------------------------------------------------------------

With thanks,
Zhiping
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