Our Online Store have the new products: RFID antenna board. Currently it can work with JC10M24R and JCOP4 card chips.
Compared with normal cards, the antenna board module has a smaller size and fixed holes, which is easy to integrate in the IOT(Internet Of Things) project.

Search found 55 matches

by youyou
Mon Jan 14, 2019 1:57 am
Forum: Products Release
Topic: JCKit JAVACOS_1.0.5.35 released
Replies: 5
Views: 28336

Re: JCKit JAVACOS_1.0.5.35 released

:!: :)
by youyou
Mon Jan 14, 2019 1:53 am
Forum: Questions & Answers
Topic: What's the use of GlobalArray?
Replies: 3
Views: 8674

Re: What's the use of GlobalArray?

Good,thank you :) :) :)
by youyou
Mon Jan 14, 2019 1:31 am
Forum: Other Tools
Topic: How does JAVA adjust C(JNA)?
Replies: 8
Views: 22269

Re: How does JAVA adjust C(JNA)?

This post should help JAVA development colleagues :geek:
by youyou
Sun Jan 13, 2019 11:58 pm
Forum: Other Tools
Topic: How does JAVA adjust C(JNA)?
Replies: 8
Views: 22269

Re: How does JAVA adjust C(JNA)?

Experience summary: :D In C, often use char * type for passing parameters, and often by the return value to obtain in Java, Java class only has spread the function of the parameters (note: String as the incoming parameters, only if you want to let it has function, the need to encapsulate a MyString ...
by youyou
Sun Jan 13, 2019 11:57 pm
Forum: Other Tools
Topic: How does JAVA adjust C(JNA)?
Replies: 8
Views: 22269

Re: How does JAVA adjust C(JNA)?

JNA views a DLL /.so file as a Java interface. For example: public interface TestDll1 extends Library { TestDll1 INSTANCE = (TestDll1)Native.loadLibrary("TestDll1",TestDll1.class); // There is a corresponding function in the library, and the prototype is void say(char *); public void say(String str)...
by youyou
Sun Jan 13, 2019 11:54 pm
Forum: Other Tools
Topic: How does JAVA adjust C(JNA)?
Replies: 8
Views: 22269

How does JAVA adjust C(JNA)?

Java call c language library, often use two ways, JNI and JNA, using JNI way to achieve Java c, we need not only the library of c, but also need to write a c library in line with the JNI specification, this way is more trouble, need to c library Java to c data type conversion and other operations; J...
by youyou
Fri Sep 28, 2018 4:06 am
Forum: Questions & Answers
Topic: How does Tomcat print detailed log information
Replies: 4
Views: 7594

Re: How does Tomcat print detailed log information

Thank you. I'm glad I could help :P
by youyou
Wed Sep 26, 2018 4:36 am
Forum: Questions & Answers
Topic: Windows Server 2008 configures the time Server
Replies: 3
Views: 6370

Re: Windows Server 2008 configures the time Server

Server: By default, standalone SERVER WINDOWS SERVER 2008 works as an NTP client, so you must modify the registry to make the system run as an NTP SERVER. Backup the registry file before you work. 1. Modify the key values of the following options HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\...
JavaCard OS : Disclaimer