count - Java counting obstacles -

i making program robot count how many times hits obstacle seconds running. want know can use count times.

for example;

if (robot.isobstacle);

start counting every time isobstacle occurs , stop when there no obstacle.

finch frobot = new finch();       frobot.setwheelvelocities(250,250);     long before = system.currenttimemillis();     while (system.currenttimemillis() - before < msfinch*1000)         if(frobot.isobstacle() == true);{          system.out.println(obstaclecount);          obstaclecount++;       }           if(frobot.isobstacle() == false);{          system.out.println("no obstacles hit");      } 

this doesn't seem work know have done wrong.

your while loop seems fishy. want start new block there.

while (system.currenttimemillis() - before < msfinch*1000) { 

your if syntax wrong. remove ; after condition:

 if(frobot.isobstacle() == true) {      system.out.println(obstaclecount);      obstaclecount++;   }       if(frobot.isobstacle() == false) {      system.out.println("no obstacles hit");  }