java2 問題

(import java.time.LocalDateTime;)

import java.time.LocalDateTime;

(import java.time.format.DateTimeFormatter;)

import java.time.format.DateTimeFormatter;

(LocalDateTime dateTime = LocalDateTime.now();)

LocalDateTime dateTime = LocalDateTime.now();

(DateTimeFormatter pattern = DateTimeFormatter.ofPattern("yyyy,MM,dd,h,mm,ss");)

DateTimeFormatter pattern = DateTimeFormatter.ofPattern("yyyy,MM,dd,h,mm,ss");

(String formatDate = dateTime.format(pattern);)

String formatDate = dateTime.format(pattern);

(import java.util.ArrayList;)

import java.util.ArrayList;

(import java.util.List;)

import java.util.List;

(List<Integer> list = new ArrayList<Integer>();)

List<Integer> list = new ArrayList<Integer>();

(for(int i = 0; i < list.size(); i++){System.out.println(list.get(i));})

for(int i = 0; i < list.size(); i++){System.out.println(list.get(i));}