• Are you still struggling to learn how to get started in Java?
  • Worried about how to install Your Java software?
  • Looking for a Zero-based Java video tutorial?

Recently I found that many self-taught friends want to find videos, but many of the videos on the Internet should have passed for a long time. Finding a professional, just-in-time tutorial can be like finding someone in a crowd.

Therefore, I spent some time this weekend to sort out this article and help you solve these puzzles, which is not a problem!! Hope to be helpful to those who are planning to learn Java by themselves or switch to Java.

To learn Java well, the foundation of Java is something you must master.

Power node Lao Du said this set of Java zero foundation tutorial, from the beginner’s point of view, through easy to understand language, colorful cases introduced in detail the use of Java language program development needs to master the knowledge, including the first knowledge of Java, Java language foundation, flow control, class and object, encapsulation, inheritance, polymorphism, etc..

All knowledge points are explained with practical case studies and detailed notes on the program code involved, which will allow you to quickly improve your development skills. This is the most detailed Java Zero Basics tutorial ever.

Free to watch online:

www.bilibili.com/video/BV1Rx…

Information, source code download:

www.bjpowernode.com/javavideo/1…

Lao Du’s video connects to the switch of the computer. The hardware and software use and other details are taken into account, some students may feel ink, but it reminds me of the first time WHEN I did not use the computer embarrassed.

The whole thing is like Leeuwenhoek teaching, subtle to the point, brilliant to the point.

Advantages:

1, suitable for absolute zero basis, each knowledge point broke off the crumple explanation

2. The zero-based video ranked first in STATION B, which is very popular

3. Specialize in Java, which I think is very professional

Course Contents:

001.Java Zero Basics Tutorial – Display of file extensions

002.Java Zero Basics Tutorial – Introduction of the EditPlus tool

003.Java Zero Basics Tutorial – Installation of the EditPlus tool

004.Java Zero Basics Tutorial – The default way to open files

Java Zero Basics Tutorial – Configuration of the EditPlus tool

006.Java Zero Basics Tutorial – How to open PDF files

007.Java Zero Basics tutorial – Common DOS commands – open DOS window and mkdir command

008.Java Zero Basics tutorial – Common DOS commands – Copy content in DOS window

Java zero Basic tutorial – Common DOS commands – switch drive letters

010.Java Zero Basics tutorial – Common DOS command – CD command details

011.Java Zero Basics tutorial – Common DOS commands – CD back to the parent and back to the root

012.Java Zero Basics Tutorial – Review day 1

013.Java Zero Basics Tutorial -DOS command del

014.Java Zero Basics Tutorial -ipconfig command

015.Java Zero Basics Tutorial -ping command

016.Java Zero Basics Tutorial – Text Editing shortcuts

017.Java Zero Basics Tutorial – Text Editing shortcuts

018.Java Zero Basics Tutorial – Answer student questions

019.Java Zero Basics Tutorial – History of Computer programming languages

020.Java Zero Basics Tutorial – History of Computer programming languages

021.Java Zero Basics Tutorial – Overview of the Java language

022.Java Zero Basics Tutorial – History of the Java language

023.Java Zero Basics Tutorial – Review day 2

024.Java Zero Basics Tutorial -Java language features simplicity

025.Java Zero Basics Tutorial – Introduction to the main components of a computer

026.Java Zero Basics Tutorial -Java robustness

027.Java Zero Basics Tutorial -Java Portability

028.Java Zero Basics tutorial -JDK, JRE, and JVM

029.Java Zero Basics Tutorial – Glossary summary

030.Java Zero Basics tutorial – How Java loads and executes

031.Java Zero Basics tutorial – How to load and execute Java

032.Java Zero Basics Tutorial – Installing the JDK

033.Java Zero Basics Tutorial – A simple introduction to the JDK

034.Java Zero Basics Tutorial – Writing the first Java program

035.Java Zero Basics Tutorial – Review day 3

036.Java Zero Basics Tutorial – Environment variable Path

037.Java Zero Basics Tutorial – Environment variable Path configuration

Java Zero Basics tutorial – How to compile using Javac

039.Java Zero Basics tutorial – How to run Java commands

040.Java Zero Basics tutorial – How to run Java commands

041.Java Zero Basics tutorial -JAVA_HOME Environment variables introduction

042.Java Zero Basics tutorial – Classpath environment variables in detail

043.Java Zero Basics Tutorial – Review of the morning

044.Java Zero Basics Tutorial – New JDK features Java run

045.Java Zero Basics Tutorial – Annotations in Java

046.Java Zero Basics tutorial – Class body concepts explained with indentation

047.Java Zero Basics Tutorial -HelloWorld program explanation

048.Java Zero Basics Tutorial – The args of the main method can be changed to something else

049.Java Zero Basics tutorial – Output statements cannot be written directly in the body of a class

Java Zero Basics Tutorial – Demonstrates addition, subtraction, multiplication and division

051.Java Zero Basics tutorial – The difference between public class and Class

. Omitting the middle

Java Zero Basics Tutorial – Day09 Problem 5

Java Zero Basics Tutorial – Day09 Problem set 6

168.Java Zero Basics Tutorial – Day09 Problem 7

169.Java Zero Basics tutorial – Review of last lesson

170.Java Zero Basics Tutorial – What’s wrong with no method code

Java Zero Basics Tutorial – Experience the power of methods

172.Java Zero Basics tutorial – Code execution order and hints on local variables

173.Java Zero Basics Tutorial – Syntax mechanisms for methods

174.Java Zero Basics Tutorial – Return value types for methods

Java Zero Basics Tutorial – Return value types for methods

176.Java Zero Basics Tutorial – Formal argument list

177.Java Zero Basics Tutorial – Method body code execution order

178.Java Zero Basics Tutorial – Method Calls

179.Java Zero Basics Tutorial – Receive return values

180.Java Zero Basics Tutorial – Receive return values

181.Java Zero Basics Tutorial – Actual parameter list

182.Java Zero Basics tutorial – When is a class name omitted when calling a method

Java Zero Basics tutorial – More than just main methods can be called

184.Java Zero Basics Tutorial – Break and Return

Java Zero Basics Tutorial – Code execution sequence

186.Java Zero Basics Tutorial – Missing return statements

Java Zero Basics tutorial – Deformation and Code optimization

188.Java Zero Basics Tutorial -JVM Memory Structure

189.Java Zero Basics Tutorial – Stack Data Structures

Java Zero Basics Tutorial – Stack Data Structures

Java Zero Basics Tutorial – Memory changes during method execution

192.Java Zero Basics Tutorial – Review yesterday

193.Java Zero Basics Tutorial – Assignment 1

194.Java Zero Basics Tutorial – Assignment 2

195.Java Zero Basics tutorial -println(Method calls can be placed directly here)

Java Zero Basics Tutorial – Assignment 2 Code Upgrade

197.Java Zero Basics Tutorial – Overview of Method overloading

Java Zero Basics Tutorial – Method overloading benefits

199.Java Zero Basics tutorial – When to Use overloading and what Constitutes it

Java Zero Basics tutorial – Method overloading is independent of return value types and modifiers

201.Java Zero Basics Tutorial – A look at the source code shows that the println method is overloaded

202.Java Zero Basics Tutorial – Review of the morning

203.Java Zero Basics Tutorial – Code encapsulation

204.Java Zero Basics Tutorial – Understanding method recursion

205.Java Zero Basics tutorial – Use loops whenever possible

Java Zero Basics tutorial – Using a loop to calculate the sum of 1 to n

Java Zero Basics tutorial – Using recursion to calculate the sum from 1 to n

208.Java Zero Basics Tutorial – Recursive Memory map Analysis

209.Java Zero Basics Tutorial – Set today’s homework

Java Zero Basics Tutorial – Review yesterday

211.Java Zero Basics Tutorial – Review yesterday

212.Java Zero Basics Tutorial – Review yesterday

Java Zero Basics tutorial – Recursive calculation of n factorial

214.Java Zero Basics Tutorial – The difference between Object-oriented and procedural

Java Zero Basics Tutorial – The difference between Object-oriented and procedural

216.Java Zero Basics Tutorial – The difference between Object-oriented and procedural

217.Java Zero Basics Tutorial – The difference between Object-oriented and procedural

Java Zero Basics tutorial -OOA OOD OOP

219.Java Zero Basics Tutorial – Three Characteristics of Object Orientation

220.Java Zero Basics Tutorial – Classes and Objects

221.Java Zero Basics Tutorial – Classes and Objects

222.Java Zero Basics Tutorial – The Java programmer is a transition bridge

223.Java Zero Basics Tutorial – Class definition

224.Java Zero Basics Tutorial – Object Creation

225.Java Zero Basics Tutorial – Compilation process instructions

226.Java Zero Basics tutorial – Create JVM memory structures for objects

227.Java Zero Basics tutorial – Create JVM memory structures for objects

228.Java Zero Basics Tutorial – Set today’s homework

229.Java Zero Basics tutorial – Why draw memory maps

230.Java Zero Basics Tutorial – Memory Graph Job 1

231.Java Zero Basics Tutorial – Memory Map Assignment 1

232.Java Zero Basics Tutorial – Memory Map Assignment 2

233.Java Zero Basics Tutorial – Memory Graph Job 2

234.Java Zero Basics tutorial – How to access properties that are reference types

235.Java Zero Basics Tutorial – Null pointer exception

236.Java Zero Basics Tutorial – Method calls pass 1 as argument

237.Java Zero Basics Tutorial – Method calls pass arguments 2

Java Zero Basics Tutorial – Review of the morning

Java Zero Basics Tutorial – Constructors

Java Zero Basics Tutorial – Constructors

241.Java Zero Basics Tutorial – Constructors

242.Java Zero Basics Tutorial – What does encapsulation do

Java Zero Basics Tutorial – What’s wrong with not encapsulating

244.Java Zero Basics tutorial – How to Encapsulate

245.Java Zero Basics tutorial – Review yesterday

246.Java Zero Basics Tutorial – Eliciting instance methods

247.Java Zero Basics Tutorial – Null Pointers caused by instance methods

Java Zero Basics Tutorial – Encapsulating set and GET methods

249.Java Zero Basics Tutorial – Set method entry set levels

250.Java Zero Basics Tutorial – Summarizes the steps of encapsulation

251.Java Zero Basics tutorial – Static Beginner

252.Java Zero Basics tutorial – When to Use static variables

Java Zero Basics tutorial – When to Use Static variables

254.Java Zero Basics tutorial – Null Reference access to static non-null Pointers

255.Java Zero Basics tutorial – On instance method calls

Java Zero Basics tutorial – On instance method calls

257.Java Zero Basics Tutorial – Review of the morning

258.Java Zero Basics Tutorial – Static Code Blocks

259.Java Zero Basics Tutorial – Code execution sequence

260.Java Zero Basics Tutorial – Example code blocks

261.Java Zero Basics Tutorial – Code execution sequence

262.Java Zero Basics tutorial – The memory structure of this

263.Java Zero Basics Tutorial – Application of this

264.Java Zero Basics tutorial – Designing date classes

265.Java Zero Basics tutorial – Designing Male and Female humans

266.Java Zero Basics tutorial – Designing bank Account classes

267.Java Zero Basics tutorial – Design wechat account class

268.Java Zero Basics Tutorial – Homework for Husbands and Wives

269.Java Zero Basics Tutorial -Book assignment

270.Java Zero Basics Tutorial – Review this

271.Java Zero Basics tutorial – When should this not be omitted

272.Java Zero Basics tutorial – The use of this()

273.Java Zero Basics Tutorial – Summary of this

274.Java Zero Basics Tutorial – Account Withdrawal assignments

275.Java Zero Basics Tutorial -Student Assignments

276.Java Zero Basics Tutorial – Summary of previous content

277.Java Zero Basics Tutorial – Summary

278.Java Zero Basics Tutorial – What does Inheritance do

279.Java Zero Basics Tutorial – Inheritance related features

280.Java Zero Basics tutorial – Review yesterday

Java Zero Basics tutorial – Methods inherited by subclass object calls

Java Zero Basics Tutorial – When can INHERITANCE be used

283.Java Zero Basics Tutorial – An explanation of pirntln methods

284.Java Zero Basics Tutorial – toString method for Class Object

Java Zero Basics Tutorial – Method overlay first taste

Java Zero Basics Tutorial – What conditions are met to constitute method coverage

287.Java Zero Basics Tutorial – Method Override considerations

288.Java Zero Basics Tutorial – A classic case of method override

289.Java Zero Basics Tutorial – A classic case of method override

290.Java Zero Basics Tutorial – Override toString methods

291.Java Zero Basics Tutorial – Summary method coverage

292.Java Zero Basics tutorial – Understanding polymorphism through upward transition

293.Java Zero Basics tutorial – All dots are preceded by either references or class names

294.Java Zero Basics Tutorial – Transition down

295.Java Zero Basics tutorial – Instanceof operator

Java Zero Basics tutorial – Why Instanceof Judgment

297.Java Zero Basics tutorial – Why Instanceof Judgment

298.Java Zero Basics Tutorial – Review polymorphism

299.Java Zero Basics Tutorial – The role of polymorphism in Development

300.Java Zero Basics Tutorial – Summarizes the role of polymorphism in development

301.Java Zero Basics Tutorial – Programming for Abstractions

302.Java Zero Basics Tutorial – Musicians playing music assignments

303.Java Zero Basics Tutorial – Static methods do not have method overrides

304.Java Zero Basics Tutorial – Private methods cannot be overridden

305.Java Zero Basics tutorial – Return value types for method overrides

306.Java Zero Basics Tutorial – Super Overview

307.Java Zero Basics Tutorial – Subclass constructor execution must call the superclass constructor

308.Java Zero Basics Tutorial – Review of the morning

309.Java Zero Basics tutorial – The use of super(argument)

Java Zero Basics Tutorial – Memory map describing super

311.Java Zero Basics Tutorial – Memory diagram describing super

312.Java Zero Basics Tutorial – Memory map description super

313.Java Zero Basics tutorial – When can super not be omitted

There must be a dot after the use of super

Java Zero Basics tutorial – Using super to call superclass methods

Java Zero Basics Tutorial – Summary of the super keyword