JNI Interview Questions

JNI Interview Questions

• What is Native Interface in JAVA?
• Can you say in brief steps required to implement Native interfaces in
• Java?
• Can JNI be used for VB6, C# or VB.NET directly?
• What are JNI functions and pointers?
• How does the garbage collector know JNI objects are no more used?
• Twist: – What are the different types of references JNI supports?
• Twist: – How to do you delete global objects?
• how does the native language C or C++ understand data types in JAVA?
• Can you explain exception handling in JNI?
• What are limitations for “JNIEnv” pointer in multi-threading
• scenarios?
• What are the advantages and disadvantages of using “JNI”?