版权声明:https://blog.csdn.net/qq_43129582/article/details/83213278 https://blog.csdn.net/qq_43129582/article/details/83447417
public class circulation {
public int times( int n){
int i = 1;
int count = 0;
while (i <= n) {
i = i * 2;
count++;
}
return count;
}
/* 可以不用return返回
public void times(int n)
{
int i = 1;
int count = 0;
while (i <= n) {
i = i * 2;
count++;
}
System.out.println(count);
}
*/
}
//测试
public class circulationtest {
public static void main(String[] args)
{
circulation c=new circulation();
//c.times(4); 如果不用return时
System.out.println(c.times(4));
}
}