20165301 2017-2018-2 "Java Program design" Seventh week study summary textbook Learning content Summary 11th: JDBC and MySQL Database
MySQL Database management system
Start the MySQL database server
A command-line window that directly shuts down MySQL does not shut down the MySQL database server and shuts down the MySQL Database manager using the Task manager provided by the operating system.
Modi
2017-2018-1 Java Experimental Station sprint DAY07
Tasks completed by individual members today
Group members
Work Today
Complete Progress
Zhang Yiqi
Write a blog, do the summary
100%
Qili
Partial button picture, PS for button picture
100%
Zhang Haolin
Help to complete the team blog, th
2017-2018-1 Java Experimental Station sprint DAY04
Tasks completed by individual members today
Group members
Work Today
Complete Progress
Zhang Yiqi
Write a blog, do the summary
100%
Qili
Find the background music
100%
Zhang Haolin
Game operating Instructions
100%
Z
2017-2018-1 Java Experimental Station sprint DAY05
Tasks completed by individual members today
Group members
Work Today
Complete Progress
Zhang Yiqi
Carry out the summary
100%
Qili
Find the button music
100%
Zhang Haolin
Write a blog
100%
Zhang Tai Yuk
Game Sta
2017-2018-1 Java Experimental Station sprint DAY01
Tasks claimed by individual members in the Alpha phase
Group members
Division
Task Volume
Zhang Yiqi
Write blog, post-marketing, marketing, chores, the coordination of various functions
Qili
Provide a promotional map, provide the game some windows (login, tip
20165201 2017-2018-2 "Java Program Design" 8th Week study summary textbook Study content summary 12th Chapter
Connect to database: Connection getConnection(java.lang.String, java.lang.String, java.lang.String) ,Connection getConnection(java.lang.String)
Criteria and sort query:
where child statement
Sort
order by 子语句对记录进行排序 order by
Updateupdate 表 set 字段 = 新值 where
20165219 2017-2018-2 "Java Program Design" 6th Week study summary textbook Learning content Summary Eighth ChapterStringClassCommon methodspublic int length()To find the string lengthpublic boolean equals(String s)Compares character sequences of two stringspublic boolean startsWith(String s)To public boolean endsWith(String s) determine whether the prefix of the two-character sequence is the samepublic int
Tag: Parameter log RTP class program to get the console position call20165201 2017-2018-2 "Java Program Design" 6th Week study summary textbook Study content summary eighth chapterStringClass can effectively handle character sequence information, and its common methods are:
public int length()You can count the String length of a character sequence for an objectFor example: String a = "rocedu"; int n
20165318 2017-2018-2 "Java program design" the first week of learning summarize the contents of learning SummaryThe first chapter is a brief introduction to the Java platform, and explains how to build a Java environment.Introduction to the Java platformThrough textbooks, qu
Part I: Java language chapter1 Java Programming specificationStar:Suitable for: Beginner, IntermediateDescription: Author James Gosling (father of Java), so this book I think you have to read. The basic explanation is very good.2 "Java Core Technology: Volume Ⅰ Basics"Star:Suitable for: Beginner, IntermediateIntroducti
Today is the first day of the final exam, is also beginning to touch the first day of Java, not to review, then to learn something new!!Three major platforms for Java1. Java SEDivided into four parts: JVM (Virtual machine), JRE (running environment), JDK (SDK), Java2. Java EE3. Java ME---(less used)
modify the source file
From + + Simple book + +
I am using the source of Tsinghua University:# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricteddeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricteddeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricteddeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial universedeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates universedeb http://m
When you run a program with a package name on the book
WORKAROUND: There are two different programs in this package, compile Stu.java first, compile Example4_15.java, and then run Example4_15
Occurs when running a triangle class with a packageProgram for
Workaround: Create the appropriate folder for the name after the package, move the program into the folder, and run the compilation
When compilin
1/4
10/10
Second week
300/500
1/5
10/20
Third week
800/1300
1/6
20/40
Week Four
700/2000
2/8
20/60
Week Five
1100/3100
2/10
30/90
Week Six
/
/
/
Seventh Week
Eighth Week
Reference: Why is it so difficult to estimate softwar
for all levels of Java programmers to read, but also the University of the teaching of object-oriented programming language and the Java language of the excellent teaching materials and reference books."Recommended Reasons"This book has won wide acclaim from the world's programmers, even the most obscure concepts, in the Bruceeckel of the text affinity and small
2018 Object-oriented programming ( Java )Section 1 Weekly Learning Guidelines and requirements ( 2018.8.24-2018.9.2 )Learning Goals
Understand the course mode and teacher teaching requirements, master the necessary software tools for curriculum learning;
Simple knowledge of Java features and history;
Understand the concepts of JVM, JRE and JDK, a
first, the technical learning about Java. Ability to study in three dimensions according to the following points:(1) downward development, i.e. the underlying directionIt is recommended to look at "deep Java Virtual Machine", "Java Virtual machine specification", "Thinking in Java" and so on. In fact, both English and
distributed technology that allows an application on one virtual machine (JVM) to invoke an object method on another JVM on the network using RMI
Problems encountered and their solutions
Occurs when you run the first code of this chapter
WORKAROUND: Package Two programs separately in the same folder, enter javac -encoding gbk Example13_1.java them, and then compile and run them successfully.
Code HostingLast week'
20165336 2017-2018-2 "Java program design" 1th Week study summary textbook study summary
Java status, features: Java has object-oriented, platform-independent, security, stability and multi-threaded and other excellent features. Java's platform-agnostic nature makes Java
20165318 2017-2018-2 "Java Programming" Eighth Week study summaryDirectory
Problems encountered in learning process and summary
Summary of learning contents of textbook
The 12th Chapter Java multithreading mechanism
Code Hosting
Code statistics
Problems encountered in learning process and summary
Q1: When runnin
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