Java get local time and network time

The time obtained by Java can be divided into local time and network time. In general, the time obtained in development is local time, but in some cases, we need to obtain network time to verify the accuracy of time.  Next, I will introduce the methods of obtaining local time and network time respectively: Get lo ...

Posted on Thu, 02 Apr 2020 03:25:55 -0400 by racerxfactor

Three characteristics of Java object-oriented programming inheritance

Keywords of this paper: Java, object-oriented, three features, inheritanceInheritance is one of the three characteristics of object-oriented programming. Inheritance embodies the idea of object-oriented programming more incisively and vividly. It allows the association between classes. The basic knowledge of classes and objects can enter the ...

Posted on Thu, 02 Apr 2020 01:35:41 -0400 by pythian

Android Development: file permissions

Make a simple interface, generate four buttons, press four permissions to create a new file: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools ...

Posted on Thu, 02 Apr 2020 01:09:20 -0400 by cjacks

java stop thread

stop() is out of date Stop thread: end of run() method. Turn on multithreading, usually the code is circular structure. As long as you control the loop, you can let run() end, which also ends the thread. class StopThread implements Runnable { private boolean flag = true; @Override public void run() { while (flag) { ...

Posted on Wed, 01 Apr 2020 23:15:12 -0400 by aCa

A collection of code examples for calling video entertainment API: NBA games, TV programs, etc

The following example code applies to www.apishop.net For the API under the website, you need to apply for the corresponding API service before using the interface call code examples mentioned in this article. NBA events : NBA basketball schedule information TV program TV program schedule of CCTV and local satellite ...

Posted on Wed, 01 Apr 2020 23:01:56 -0400 by pellky

Logback different business logs write different files

In real development, we often need to distinguish business logs and system logs for different collection. If logback is used as the log component, how can different logs be written to different files? logback.xml <?xml version="1.0" encoding="UTF-8"?> <configuration> <property name="LOG_HOME" value="${catalina.base}/logs"/&gt ...

Posted on Wed, 01 Apr 2020 19:57:57 -0400 by rudy.siregar

Android animation foundation transform animation case (2)

I've talked about blending transform Animation before. What I'm going to say here is to write an Animation set (we know that there is a set container in JAVA, and the characteristics of the set container are: 1. Disorder; 2. No repetitive elements. Set in Mathematics) is used to store multiple Animation objects. This is ...

Posted on Wed, 01 Apr 2020 18:33:23 -0400 by izy

Learn the multi layout use of ListView (with EditText's editable state switch)

Learn the multi layout use of ListView (with EditText's editable state switch) 1, Key adapters Tell me about my problems: Because the type value returned by the getItemViewType I set is equal to the getViewTypeCount, the unknown ArrayIndexOutOfBoundsException is caused, which has been explained in the code. package ...

Posted on Wed, 01 Apr 2020 17:33:26 -0400 by KyleVA

Wechat red packet algorithm

package com.test; import java.text.NumberFormat; import java.util.*; /** * Wechat red packet handshake algorithm (suitable for randomly splitting a number into n different random numbers) * Not too much data size verification */ public class RedPackage { public static void main(String[] args) { Scanner sc=new Scanner(System.in) ...

Posted on Wed, 01 Apr 2020 16:52:13 -0400 by AIS4U

Chapter 58. Photo function realization (learn Android from scratch)

Come from: http://blog.csdn.net/jianghuiquan/article/details/8569187 Android has two ways to take photos: one is to call the system's photo Intent directly, use onActivityResult to get picture resources or specify a picture path, and read the picture after the photo returns successfully; the other is to use Sur ...

Posted on Wed, 01 Apr 2020 15:23:34 -0400 by toxic_brain