From 3e0f7bf39c5c2e7a6021cbdfa654f2a705b029a3 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 28 Jan 2026 15:59:42 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day01-jdk8=E7=9A=84=E6=97=B6?=
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---
 .../src/com/inmind/jdk8_time04/Demo20.java    | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 javaSE-day01/src/com/inmind/jdk8_time04/Demo20.java

diff --git a/javaSE-day01/src/com/inmind/jdk8_time04/Demo20.java b/javaSE-day01/src/com/inmind/jdk8_time04/Demo20.java
new file mode 100644
index 0000000..bc6b7c4
--- /dev/null
+++ b/javaSE-day01/src/com/inmind/jdk8_time04/Demo20.java
@@ -0,0 +1,28 @@
+package com.inmind.jdk8_time04;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+
+/*
+代替Calendar类
+LocalDate: 年月日
+LocalTime:时分秒
+LocalDateTime:年月日时分秒
+相关方法：now(),of(),getXXX(),withXXX(),plusXXX(),minusXX(),equals,isBefore,isAfter
+
+ZoneId:时区 获取可以时区ID标识
+ZonedDateTime：根据对应的时区，获取指定的时间值
+
+代替Date类
+Instant：使用世界标准时间，来计算时间点，精确到纳秒
+
+DateTimeFormatter:对时间对象进行按照指定的模版格式化与解析，yyyy-MM-dd HH:mm:ss
+
+日期间隔Period和时间间隔Duration:计算2个时间的间隔，并获取时间间隔相关的值
+ */
+public class Demo20 {
+    public static void main(String[] args) {
+
+    }
+}