Ploty DHT22 (im so confused)

hello arduino people, im new , im having trouble project

http://www.instructables.com/id/plotly-arduino-data-visualization/?allsteps


bellow code used:

#ifndef plotly_streaming_ethernet_h
#define plotly_streaming_ethernet_h

#include "arduino.h"
#include <avr/pgmspace.h>

#include <spi.h>
#include <ethernet.h>

class plotly
{
    public:
        plotly(char *username, char *api_key, char* stream_tokens[], char *filename, int ntraces);
        ethernetclient client;
        bool init();
        void openstream();
        void closestream();
        void reconnectstream();
        void jsonstart(int i);
        void jsonmiddle();
        void jsonend(char *token);

        void plot(unsigned long x, int y, char *token);
        void plot(unsigned long x, float y, char *token);

        int log_level;
        bool dry_run;
        int maxpoints;
        bool world_readable;
        bool converttimestamp;
        char *timezone;
        char *fileopt;

    private:
        void print_(int d);
        void print_(unsigned long d);
        void print_(float d);
        void print_(char *d);
        void print_(const __flashstringhelper* d);

        int len_(int i);
        int len_(unsigned long i);
        int len_(char *i);

        unsigned long fibonacci_;
        char *username_;
        char *api_key_;
        char** stream_tokens_;
        char *filename_;
        int ntraces_;

};
#endif












i uploaded scetch bellow arduino ide , compiled said

arduino: 1.6.1 (windows 8.1), board: "arduino mega or mega 2560, atmega2560 (mega 2560)"

c:\users\joemat~1\appdata\local\temp\build8295761086660840712.tmp/core.a(main.cpp.o): in function `main':

c:\program files (x86)\arduino\hardware\arduino\avr\cores\arduino/main.cpp:34: undefined reference `setup'

c:\program files (x86)\arduino\hardware\arduino\avr\cores\arduino/main.cpp:44: undefined reference `loop'

collect2.exe: error: ld returned 1 exit status

error compiling.

  report have more information with
  "show verbose output during compilation"
  enabled in file > preferences.

hello arduino people, im new , im having trouble project

http://www.instructables.com/id/plotly-arduino-data-visualization/?allsteps


bellow code used:

#ifndef plotly_streaming_ethernet_h
#define plotly_streaming_ethernet_h

#include "arduino.h"
#include <avr/pgmspace.h>

#include <spi.h>
#include <ethernet.h>

class plotly
{
    public:
        plotly(char *username, char *api_key, char* stream_tokens[], char *filename, int ntraces);
        ethernetclient client;
        bool init();
        void openstream();
        void closestream();
        void reconnectstream();
        void jsonstart(int i);
        void jsonmiddle();
        void jsonend(char *token);

        void plot(unsigned long x, int y, char *token);
        void plot(unsigned long x, float y, char *token);

        int log_level;
        bool dry_run;
        int maxpoints;
        bool world_readable;
        bool converttimestamp;
        char *timezone;
        char *fileopt;

    private:
        void print_(int d);
        void print_(unsigned long d);
        void print_(float d);
        void print_(char *d);
        void print_(const __flashstringhelper* d);

        int len_(int i);
        int len_(unsigned long i);
        int len_(char *i);

        unsigned long fibonacci_;
        char *username_;
        char *api_key_;
        char** stream_tokens_;
        char *filename_;
        int ntraces_;

};
#endif












i uploaded scetch bellow arduino ide , compiled said

arduino: 1.6.1 (windows 8.1), board: "arduino mega or mega 2560, atmega2560 (mega 2560)"

c:\users\joemat~1\appdata\local\temp\build8295761086660840712.tmp/core.a(main.cpp.o): in function `main':

c:\program files (x86)\arduino\hardware\arduino\avr\cores\arduino/main.cpp:34: undefined reference `setup'

c:\program files (x86)\arduino\hardware\arduino\avr\cores\arduino/main.cpp:44: undefined reference `loop'

collect2.exe: error: ld returned 1 exit status

error compiling.

  report have more information with
  "show verbose output during compilation"
  enabled in file > preferences.

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