Learn how to use Java lambda expressions For those who are new to functional programming, basic Java lambda syntax can be a bit intimidating at first. Once you break lambda expressions down into their ...

Like C# lambda expressions, Java 8 lambda expressions tie an argument list to a body. For example, (int x) -> x * x specifies an integer parameter that’s named x and returns the value of x squared.

Here’s the syntax for a lambda expression. You can capture values either by copy or by reference, similar to parameters in function definitions, but with one key difference: the passed object or value ...

Integrating lambda expressions into your methods is easy. The trick is in recognizing when to use them. And that means understanding when the strategy and factory method patterns are going to make ...

That variable will continue to be accessible to the code in the lambda expression when the lambda expression executes. In this example, for instance, the variable MetaText is defined in the method ...

Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...