编辑代码

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

class Main {
	public static void main(String[] args) {
        //JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。
		System.out.println("Hello world!   - java.jsrun.net ");

        String time = "2018-08-09 11:20:45";
        DateTimeFormatter dtf = DateTimeFormatter.ofPattern("uuuu-MM-dd HH:mm:ss");

        LocalDateTime localTime = LocalDateTime.parse(time, dtf);

        LocalDateTime startTime = localTime.plusDays(+7);
        LocalDateTime dateTime = LocalDateTime.now();
        LocalDateTime endTime;
        System.out.println("localTime---"+localTime);
        System.out.println("startTime=="+startTime);
        System.out.println("dateTime---"+dateTime);
	     if (startTime.isBefore(dateTime)) {
             endTime=
            System.out.println("时间是过去");
        }
    }
}