What are the differences between lambda expressions and anonymous classes?

What are the differences between lambda expressions and anonymous classes?

Lambda expressions are a concise way to represent functional interfaces, while anonymous classes are more verbose and can have multiple methods.

Can you give me an example of each?

Sure! A lambda expression might look like this: (x) -> x * 2. An anonymous class would be more like this: new Runnable() { public void run() { System.out.println("Running"); } }.

When should I use one over the other?

Use lambda expressions for simple implementations of functional interfaces, and anonymous classes when you need more complex behavior or multiple methods.

Are there any performance differences?

Yes, lambda expressions can be more efficient as they can be optimized by the compiler, while anonymous classes create a new class each time.