m4u 2017

20172333 2017-2018-2 "Java Programming" 8th Week study SummaryTextbook Learning Content Polymorphic applications can point to different types of objects over time. For polymorphism applications, the method's reference is executed at run time with the binding of the method's definition code. Reference variables can specify any object of any class that has an inheritance relationship. The type of the calling method actually depends

20172330 2017-2018-1 "Java program design" Fifth week study summary textbook study content summary fifth chapter The first is the understanding of the various operators: just beginning to think that equality is =, there are some other symbols are quite simple, and then in the further learning to know the "= =" and "! = "are all equal operators, and"! "," "," | | " Represent non, with, or.Problems in teaching materials learning and the solving pro

20172330 2017-2018-1 "Java Program design" Fourth week study summary textbook study summaryThis week's content is more and more complex, including chapters fourth and seventh. The fourth chapter introduces the definition and concept of class structure, and gives us a lot of examples to show the method and application of the custom class, and discusses the structure and use of the method definition: Including return statement, parameter, local

20165115 2017-2018-2 "Java program design" Fifth week study summary textbook study summaryThe seventh part of the study is the inner class and the exception class. Among them, the exception class has a great effect on solving the error condition. Especially in the actual operation of some large programs, if you do not do boundary detection, so that the program to respond to possible error conditions, it is likely to lead to the actual operation of a v

The fifth week of Java Programming Study summary 20165218 2017-2018-2 Textbook Study Contents 7th Chapter Inner class and exception class inner class Defining another class in a class, outer-nested and inner classes Inner classes can use member variables and methods in an outer-nested class Inner classes cannot declare class variables and class methods For use only with outer-nested classes Exception class Try-catch

20172333 2016-2017-2 "Java Program Design" 3rd week Study summary Textbook study summaryThe 1.String class, the random class, the math class, the NumberFormat class and the DecimalFormat class, the enumeration type, and the wrapper class.Problems in code debugging and the resolution process Question 1: The first three numbers appear in the process of writing about pp3.3. Problem 1 Solution: tinkering for a while, and finally to ask Zhangx

20165312 2017-2018-2 "Java program Design" 7th Week study Summary of the last week to test the leakage of the vacancy Overall, I think last week two tests are very difficult, do the test also took a long time, I think because the knowledge of the book a lot, I have not understood well, so still want to read more well, a lot of books on the knowledge points omitted or read once forgotten. Week five test (ch08 ch10) The following sta

20165218 2017-2018-1 "Java Programming" 7th Week study summary textbook Learning content summary jdbc and MySQL database Database functions: Data storage, query, modification, security MySQL: Database; JDBC: API for manipulating databases APIs (application Programming Interface, application programming interfaces) are pre-defined functions designed to provide the ability of applications and developers to access a set of rou

20165230 2017-2018-2 "Java program Design" 7th Week study Summary Textbook Learning contents Summary 11th Chapter JDBC and MySQL Database This week learned how to use the APIs and databases provided by the JDBC language in Java programs to interact with information Learned the MySQL database management system Use Connection getConnection(java.lang.String) the method to make the application connect to the database:DriverManager.getConn

20165209 2017-2018-2 "Java program Design" 7th Week Study summary Textbook study summary Install the EAMPP and complete the configuration EAMPP Connection Database Create a database Learn to query operations Problems in teaching materials learning and the solving process Issue 1: The following error occurred while initializing MySQL mysqld: Could not create or access the registry key needed for the MySQL applica

20165202 2017-2018-2 "Java Programming" 8th Week study summarySummary of learning contents of textbookCh12 Processes and Threads A thread is a smaller unit than a process, and a process can produce multiple threads during its execution Threads in Java Main threadEach Java application has a default main thread. When the JVM loads code and discovers the Main method, it starts a thread called the main thread, whic

20165219 2017-2018-2 "Java Program Design" 8th Week study summary Textbook learning content summary process and threadsA thread is a smaller unit than a process, and some memory units in a process can be shared between threadsJava's multi-line mechanism thread class and thread creationOne way to create a thread is to Thread create the thread object directly with the classUsing Runnable interfaces is Thread more flexible than using subclassesThread syn

20165208 2017-2018-2 "Java program design" Eighth Week study summary textbook Learning content Summary Chapter 12th thread State To create a thread object Created directly with the thread class or subclass: Thread(Runnable target) creates a thread, gets the current thread object, and getName() returns the name of the thread. Use the Runnable interface: more flexible than thread Runrun()Method stipulates speci

20165111 2017-2018-2 "Java program design" the first week to summarize the learning content of learning materialsThis chapter is mainly about the Java language and the preparatory knowledge of Java learning. Features of Java Simple Object oriented Platform-Independent Multithreading Dynamic A simple Java application Write Compile javac XX.java #这里的XX所指的类必须是公开类#

Name: Danny Date:2017/12/2 task date lectures Programming program Read the textbook prepare for exam exam daily statistics Sunday Monday 30 NBSP; 120 150 Tuesday 140

Visual Studio for Mac 2017 preview has been released and can be downloaded, address:http://www.visualstudio.com/vs/visual-studio-mac/After downloading to get a 22M online installation package, you can wait for the online installation, if the slow speed can download the corresponding independent installation package, I only installed the following two packages1. Visual Studio for Mac2. Mono FrameworkThe total is about 1G, the installation is complete,

2017-2018-2 20155225 "Network countermeasure Technology" Experiment Nine Web Security Foundation webgoat1.string SQL InjectionThe topic is to find a way to get the database owner's credit card number, with Smith login, get Smith's two credit card number,But how do you get credit card numbers for everyone?Only the input ‘ or 1 = ‘ 1 is required so that the construction can close the quotation marks and then the or on a permanent, it can block out the p

Under Introduction:Complements the day is the domestic well-known vulnerability response platform, aims at enterprise and white hat to win together.White hat here to submit vendor loopholes, to obtain the library currency and honor, vendors from here to publish the audience, get vulnerability reports and repair recommendations.Before March 2017, the vendor domain URL is very good crawl, even if not landing to the platform can still easily get to the b

2017-2018-2 20155228 "Network countermeasure Technology" experiment Eight: Web Foundation 1. Practice Content 1.1 Web front-end HTMLCan install normally, start and stop Apache. Understand the HTML, understand the form, understand the get and post methods, and write an HTML containing the form.1.2 Web front End JavasciptUnderstand the basic JavaScript functionality and understand the DOM. Write JavaScript to verify the user name, password rules.1.3 Web

Feedback on issues with the 2017 object-oriented Programming (JAVA) section on nine-week learning summary1. Blog not written by: Gao Shuping Gao Junmei Fong Mau Wang Ruiqiang Zong Peng Li Xianglong Ma Lun Mitch Mao Provencale--The number of students who do not submit the blog in time is on the rise, please think about the value of Java Learning Blog, and some of the students have not achieved the learning value of the blog, also please this part of th