Java记录

/**
* @param args 总页数
*/
public static void main(String[] args) {
int rows = 0;
int page_size = 0;
// TODO Auto-generated method stub
int pages = (int) Math.ceil((double) rows / (double) page_size);
System.out.println(pages);
}

int pages = (int) Math.ceil((double) rows / (double) page_size);

int pages = (int) Math.ceil((double)( rows /  page_size));