package 數(shù)據(jù)類型;
//長整型
class Light {
?public static void main(String args[]){
??int lightspeed;
??long days;
??long seconds;
??long distance;
??
??lightspeed = 186000;
??
??days = 1000;
??
??seconds = days*24*60*60;
??
??distance = lightspeed*seconds;
??
??System.out.print("輸入" + days);
??System.out.print("光在這些天內(nèi)將旅行");
??System.out.println(distance + "米。");
?}
}