//进一法的实现double-int
public class CutDot {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int a = 10, b = 3;
double c = (double) a / b;
System.out.println(c);// 3.3333333333333335
// 进一法的实现
int d = (int) Math.ceil(c);
System.out.println(d);// 4
// test
System.out.println(Math.ceil(0.0000001));// 1.0
}
}
转载于:https://my.oschina.net/dminter/blog/205057