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certainly benefit from the end!!! Learning progress Bar Lines of code (new/cumulative) Blog volume (Add/accumulate) Learning time (new/cumulative) Important growth Goal 3500 rows 20 articles 300 hours First week 120/120 1/1 14/14 Second week 340/460 1/2 14/28 Third week 200/660 1/3 14/42 Week Four
Second week 340/460 1/2 14/28 Third week 200/660 1/3 14/42 Week Four 320/980 1/4 14/56 Week Five 280/1260 1/5 14/70 Week Six 478/1738 2/7 16/86 Seventh Week 425/2163 2/9 16/102 Eighth Week 859/3022 3/12 16/118 Learn to use Git managed code, use the
: Add return to this code snippet: At present, the finally block should be executed. But my classmates told me that there is a situation where the finally block is not executed, that is, add system.exit (), the meaning of this code is to terminate the JVM. Other (sentiment, thinking, etc., optional) This week is self-taught two chapters, have to admit that from the fifth week began a little tired. Last week, a classmate in their own blog to give Lou
reduced to 16, and Swift quickly beyond its solid reputation. While the status of Go as a back-end language is unquestionable, it lacks a variety of programming languages like Java, which in part makes it difficult to enter new areas to gain new growth.10. SwiftIn the current ranking, Swift rose again, making it the same position as its predecessor, Objective-c. Thanks to Apple's support for OBJECTIVE-C an
Reflection, proxy, and metadata are the three most powerful features of Java. Together with cglib (code generation Library) and ASM, Java is not Ruby, and python is awesome, can make a powerful framework. Proxy can be seen as micro-AOP. It understands that it provides a third code encapsulation path out of inheritance and delegation. As long as you have enough imagination, it can be very
how to compile and run different types of programs, console programs, graphical application of their own applets . When you install the Java SDK, you first download the JDK, and then you set up the JDK, to explicitly install the location of the development package, set system variables, and save your own settings. You also install library source files and documents, write using command-line tools, and run Java
, a lot of keys can not be found, so in addition to Umbrello are all in Windows complete (virtual machine is better than before, can move, but because of the speed problem, or not smooth)Experiment Harvest:This experiment is more difficult than the last time, it took a lot longer, fortunately, the steps in the Experiment Guide is very detailed, but also introduced a lot of knowledge, the first two experimental code are simple content, but involves TDD, mastered the new
company. Replaceable supply chains, the collective role of multiple companies, and the use of open-source standards are all ways to prevent companies from falling under the authority of a proprietary company. Otherwise, other companies will be banned from a company's products.So what language is Java? Is it open-source? Will we be subject to Oracle's company needs? Java Community Process (JCP) maintains
PHP, Java, Python, C, C + + These programming languages have what characteristics or advantagesAssembly:C:Java:C#:Php:Python:Go:Haskell:Lisp:C++: amp;lt;img src= "https://pic3.zhimg.com/3345a2825f1f983cb49fb2ea67ccfa56_b.jpg" data-rawwidth= "300" data-rawheight= "class=" Content_image "width=" amp;gt; Java Like Kenji Miyazawa's "Defy
, difficult to read, after the people who can not read the code, the maintenance of the system more and more heavy, and ultimately may lead to project failure. Interface in the project is a business logic, interface programming is the first customer's business to extract, as an interface. The implementation of this interface is accomplished by the realization class of the implementation of the business.When customer requirements change, just write a n
Lenovo and error hints, and personal advice that the overall code for C + + is compiled and developed using Visual Studio or Xcode, Lenovo is very friendly, Compilation speed is very fast, debugging is also very convenient. Visual Studio (PC) Xcode (MAC) Android Studio (multi-platform) Eclipse (multi-platform) Third, the first line of code 1. How to use C + + in OBJECTIVE-C projects;
For the sake of efficiency, in many cases we need to invoke the underlying C or C + + implementations in the upper Java code, and JNI will be able to do its thing. JNI (Java Native Interface) allows Java code to interact with code written in other languages, using Java to interact with locally compiled code, often losi
Learning Java programming ideology version 4 (1) In a class, initialization of all member variables during definition is completed before the constructor is initialized, that is, initialization during definition first, then initialize the constructor. (2) Why is method overloading required?1. Different types of objects may have similar operations. In the abstract process, "similar" is abstracted into the sa
understands how to favor developers. Because of the relentless nature of Java, we need to make our own beanutils projects. Thanks to Apache Jakarta commons, you can use it directly.In addition, spring has also made one. You can also use eMule to copy the For the reflection in C ++, see my idol di article. Another bt c ++ framework called acdk is similar to Java
20145320 "Java program design" The 1th Week study summary textbook Learning content SummaryChapter I.Java was first written in the program language of the STAR7 application in Sun's project green projects, May 23, 1995 Java was bornJava has three main platforms are Java SE, Java
An even number is always represented as a sum of two primes.public class Example43 {public static void Main (string[] args) {f ();}public static Boolean fun (int a) {Boolean flag = false;if (a = = 3) {Flag = true;return (flag);}for (int i = 2; I If (a% i = = 0) {Flag = false;Break} elseFlag = true;}return (flag);}public static void F () {Scanner s = new Scanner (system.in);int n, I;do {System.out.print ("Please enter an even number greater than or equ
gold medal, the practice of equipment back to the equipment storage section, the result of the administrator yelled at you: This put this way! Put that over there! You don't know the rules, do you? "Did you see the problem?" The programmer submitted a high-value code (the Olympic gold Medal), and the result was snapped by some of the people who thought git was very familiar (the equipment keeper).A company culture that respects the programmer, should put the programmer as the athlete, put the p
it is officially recommended by the Consortium (as opposed to a non-standard Java model), so it may be needed in some types of projects (such as using DOM in JavaScript).Sax behaves better, depending on its specific parsing style. A SAX detects the incoming XML stream, but it is not loaded into memory (of course, when the XML stream is read, some of the documents are temporarily hidden in memory).There is
recently is learning Java Concurrency Programming practice, inadvertently found this article, particularly interesting, but also covered a lot of knowledge, can not help sharing to everyone! I was a thread, I was born a number: 0x3704, and then led to a dim room, here I found a lot of my identical companions.My companion 0x6900 for a long time, he said to me with vicissitudes of breath:Our thread's destiny
in debugging: The main class could not be found or could not be loaded . Run successfully after removing the code from the package.Other (sentiment, thinking, etc., optional)This chapter of learning feeling although more knowledge points, relatively trivial, but the content is relatively simple, a lot of knowledge in learning C language has mastered, compared to the 12th chapter of abstract Things think the third chapter is easier to understand, but there are some small knowledge point understa
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