Clojure « inner class « Java Class Q&A

1. How does java implement inner class closures?    stackoverflow.com

In Java an anonymous inner class can refer to variables in it's local scope:

public class A {
    public void method() {
        ...

2. Are Inner Classes lightweight?    stackoverflow.com

Are inner classes more lightweight than normal classes, or in the end java compiles inner classes just like normal classes? I know classes in java are not all very lightweight themselves, and ...

3. Java inner class / closure    stackoverflow.com

So I have the following:

Object a = data.getA();
Object b = data.getB();
Object c = data.getC();
// and so on

4. How to access static inner Java class via Clojure interop?    stackoverflow.com

Basically what I need to do is this

FileChannel.MapMode.READ_ONLY

(.. FileChannel MapMode READ_ONLY)

java.lang.NoSuchFieldException: MapMode