编写一个程序，说明while和do/while的区别  

public class c7 {
    public static void main(String[] args) {
        int c=0;
        do{
           c++;
        }while (c<0);
        System.out.println(c);
        c=0;
        while (c<0){
            c++;
        }
        System.out.println(c);
    }
}