both the brackets and the return keyword can be omitted. So a more concise lambda expression that implements this Java Function interface would look like this: When the code implements Java Function ...

The object-oriented paradigm popularized by languages including Java and C++ has slowly given way ... functions and first-order functions. Higher-order functions take other functions as arguments or ...

JNI allows the use of function libraries made in languages such as C, C++, VB from Java applications. The advantage of JNI is that you don't need to write the calling function definition in Java.