An anonymous function is one that is defined and used without being given a reference variable. Perhaps the most prominent example of where functional programming shines is in dealing with ...

An example of a function in a program is a sum function. Here’s a simple implementation: define a function named sum that takes two arguments. Call it using variables a and b: int a = 5 ...

If you want to master functional programming, the best place to start is with the Java Function interface. This example will show you four different ways to implement this functional interface in your ...

In this functional programming tutorial, we will work through a Java Supplier interface example. Java’s functional supplier interface can be used any time a function needs to generate a result without ...

In this article I present a short tutorial on writing program-defined functions in the R language. Whenever I'm learning about program-defined functions in a new language, I want to know seven things: ...

Now we can use this function anywhere in our program, simply by calling its name and passing in two numbers. For example, if we want to calculate 2 to the 44th power, we can just call "exponent 2 ...

Is there a reason why functions in most(?) programming languages are designed ... squared root of a positive integer, for example), it's sufficient to return a collection or sequence of values.