Why apache tomcat creates problem in windows 7 while working.its tomcat 6.0.26. i have tried on several systems but on every system having os as windows 7,it creates problem. Actually ir starts working at that time but when we restart pc then its working stop and we need to reinstall it to work on. Can anyone elaborate this reason?

void main() { float a=0.7; if(a<0.7) printf("A"); else printf("B"); getch(); } If i m putting 0.7 and 0.9 in the question answer is coming "A".else for every option as 0.3,0.5,0.6,0.8 it is coming "B".Why is it so??/...I know the float and double concept...dont tell that...but why is difference in answers ..please focus on that.