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Quartz

JNI Interview Questions - 1

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1)How to get the window handle under the Microsoft JVM?

2)Are there JVM's that work as a true 64-bit application?

3)Can I setup Tomcat to run inside the web server process itself (on Netscape/IIS?), instead of running it as a separate process.

4)How to use JNI on OpenVMS?

5)What is BootClassPath and what we it can do in Java?

6)How can I create standalone Java applications that can be launched just like any other Mac OS application?

7)Is there an alternative to JNI on MacOS?

8)What are the changes to JAWT (AWT Native Interface) API in JDK1.4?

9)Am using -Xbootclasspath to add my custom jars, But this prevents loading custom JNI libraries from my user directory. Is there a work around?

10)How can I use JBuilder to make my Java program into a native executable?

JNI Interview Questions - 3

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21)Can I use JDI to monitor which the classes that are being loaded and information about which classloader is being used to load each of the classes?

22)What is JAWIN?

23)How can I start a shutdown without using JNI on my Windows box?

24)How to make calls to C or C++ methods from a Servlets?

25)Can I insert ActiveX controls in SWT?

26)What is SWT?

27)How can I use JNI with WebSphere Application Server (WAS)?

28)can I call activex control developed in VB/VC in java using JNI? Is it possible to call activex control developed in VB/VC from JAVA and if yes how?

29)Tools for Native Exe generation. What tools can I use to generate a native executable from my *.class files?

30)How can I access java from Python (and the other way around)? Are there any JNI wrappers which can bridge the gap between the two?

JNI Interview Questions - 2

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11)How to debug JNI code in JVM?

12)How can I check the status of a java Thread using JVMDI?

13)When reloading a Servlets that uses JNI, why do I get "java.lang.UnsatisfiedLinkError: Native Library D:\WINNT\mynamesearch.dll already loaded in another classloader" ?

14)Is there a COM Bridge that lets Windows developers create native client applications that access Enterprise JavaBeansTM (EJBTM) components deployed on a J2EE App server?

15)What is necessary to have an applet call a native method? DLL installation, code signing, specific security permissions needed.

16)JDK 1.4 has introduced the concept of direct buffers. Where can I get more information and/or samples for manipulating direct buffers?

17)What are the basic techniques for debugging mixed java and C++ code?

18)Anyone know of a way of marking a Java thread as being a demon if it was "created" through the JNI AttachCurrentThread call?

19)What is Signal Chaining mechanism that has been implemented in JDK 1.4?

20)Is there a TCL-Java Bridge?


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