controll an arduino robot using java netbeans

hi
i made robo using arduino uno , motordriver l293d
i used followng code in arduino api

int normalspeed = 200; // general speed
int spinspeed = 200; // spins speed
int m1=4,e1=5,m2=7,e2=6;

void setup(){
  serial.begin(9600);
}


void loop(){
  if (serial.available() > 0) {
  char motors = serial.read();
   switch(motors) {
    case 'w':
        analogwrite(m1,0);
        analogwrite(e1,normalspeed);
        analogwrite(m2,0);
        analogwrite(e2,normalspeed);
     break;
    case 's':
        analogwrite(m1,normalspeed);
        analogwrite(e1,0);
        analogwrite(m2,normalspeed);
        analogwrite(e2,0);
     break;
    case 'a':
        analogwrite(m1,0);
        analogwrite(e1,spinspeed);
        analogwrite(m2,spinspeed);
        analogwrite(e2,0);
     break;
    case 'd':
        analogwrite(m1,spinspeed);
        analogwrite(e1,0);
        analogwrite(m2,0);
        analogwrite(e2,spinspeed);
     break;
   case 'g':
        analogwrite(m1,0);
        analogwrite(e1,0);
        analogwrite(m2,0);
        analogwrite(e2,0);
      break;
   } 
  }
}
but not able establish connection between arduino uno , netbeans ,and not able send arduino using arrow keys  can controll robot using netbeans interface

quote from: karankochar on jun 03, 2013, 08:42 pm

i not able establish connection between arduino uno , netbeans ,and not able send arduino using arrow keys  can controll robot using netbeans interface

that sounds java problem.

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