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Reprint Please specify source:http://blog.csdn.net/allen315410/article/details/41862479In the previous blog on the Java layer is how to pass data to C layer code, and familiar with most of the actual development knowledge, basically master these can do a basic NDK development, but just understand Java callback C layer of data is not enough Ah, consider the proble
Java Basics--jni Introduction (top)Java? The native interface (Java Native interface,jni) is a standard Java API that enables the integration of Java code with code written in other pro
Complete and comprehensive Java resource library (including construction, operation, code analysis, compiler, database, community, etc.) and java resource libraryBuild
The tools used to build applications are collected here.
Apache Maven: Maven uses declarations for building and dependency management. It prefers to use conventions instead of configurations for
Complete and comprehensive Java resource library (including construction, operation, code analysis, compiler, database, community, etc.) and java resource libraryBuild
The tools used to build applications are collected here.
Apache Maven: Maven uses declarations for building and dependency management. It prefers to use conventions instead of configurations fo
Android NDK development (5) -- C code callback Java code, androidndk
Reprinted please indicate the source:Http://blog.csdn.net/allen315410/article/details/41862479
In the previous blog, I learned how the Java layer transmits data to the C-layer code, and I am familiar with m
, grammar analysis, semantic analysis ... But unlike compilers, they can customize a variety of complex rules to analyze the code.Static Detection tools:Pmd
1) PMD is a code-checking tool that analyzes Java source code to identify potential problems:
1) Potential bug: Empty Try/catch/finally/switch statement
2) Unused
Java QR code generation and parsing, java Parsing
A QR code is a bar code image that uses black and white plane ry to record text, images, URLs, and other information through the corresponding encoding algorithm. For example
Features of the QR
Open Source Code Java decoder
(coded decoding) Download: Http://sourceforge.jp/projects/qrcode/downloads/28391/qrcode.zip Java QR Code Open Source Decoder
(encoding only) Download: Http://www.java4less.com/qrcoded.zip j4l-qrcode 1.0-java component to create QR
engaged in Android App development of all know, once the application is cracked, what source code, resource files and so on can be leaked, the key points have so file payment class, financial applications and other security is more vulnerable to threats! In the Java language programming, you can reverse-engineer to get the Java program source
QR code-java generates a QR code business card and automatically saves it to the mobile phone address book...
Technology qq exchange group: JavaDream: 2515720721. First introduce an api.
Zxing is a bar code provided by Google.
The parsing tool provides the generation and resolution of QR codes. Now I will briefly intro
Due to project requirements, it is necessary to convert the code developed by a Java project to the code of C # recently. It is time-consuming to convert the code of a file to a file. You can use the tool to add your own experience, you can get twice the result with half the effort. The following describes the conversi
Android App developers know that once the application is cracked, what source code, resource files and so on can be leaked, the key points have so file payment class, financial applications and other security is more vulnerable to threats! In the Java language programming, you can reverse-engineer to get the Java program source
Optimizing the memory usage of application code is not a new topic, but people usually don't understand it well. This article will briefly describe the memory usage of the Java process, and then delve into the memory usage of the Java code that you write. Finally, this article will demonstrate ways to improve the effic
Read Catalogue
Recommendation 16: Variable business use scripting language
Recommendation 17: Use dynamic compilation with caution
Recommendation 18: Avoid instanceof unintended results
Recommendation 19: Assertions are definitely not chicken ribs
Recommendation 20: Do not replace only a class
Back to top recommendation 16: Variable business using scripting languageThe Java world has been subjected to different languages,
Read the importance of source code: for example, the chef selects food ingredients and plays kitchen utensils-how to view the Java and Android source code in Eclipse, eclipseandroid
First of all, many people say that they will not learn Java without looking at the source code
impossible to decode? Refactoring, refactoring, or refactoring.
While refactoring old code can be time-consuming, it's worth it, especially if all the tools that support refactoring now support Java code. There are a number of powerful tools for automatically refactoring Java cod
(XSL, RDF, namespaces, RSS, XML Schema, XSLT ...). , you might think there are many ways to access XML data in Java applications now. Surprisingly, there are only three ways to access XML data, if you're really curious. Yes-there are only three methods, one of which appears recently with a new Java API. This should be the case: a small selection makes it easier to choose the right approach for you. Callb
The initialization Object Sequence in Java, the usage of Static code blocks, and the usage of Static code blocks
(1) differences between static methods for java static code blocksGenerally, if some code must be executed when the p
For example, to count the workload of a Java programmer writing code in one day (for example, the number of lines of valid code, the number of blank lines, and the number of lines of comments), this tool may serve as a reference.
Idea: because the content of each Java source file consists of
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