import java.util.*; import java.text.*; public class J5_6_5 { public static void main (String[] args) { long sum = 0; for(int i = 0; i <= 4; i++){ Date date1 = new Date(); DateFormat df = new SimpleDateFormat("yyyy年 M月dd日 E a hh點 mm分 ss秒"); System.out.println(df.format(date1)); for(long j = 0; j <= 100000000; j++){ sum++; } } System.out.println("sum = " + sum); } }