Java Reflection into Lamba expressions

Lets assume i have this very very simple code. What I want is to convert it into Lambda expressions explicitly.

Here is the code:

import java.lang.reflect.Method;

public class test {

    float decrement = 1f;
    float speed = 0.15f;

    public test() {
        for (;;) {
            run();
        }
    }

    private void run() {

        try {
            update(this.getClass().getMethod("print"));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private void update(Method myCustomMethod) throws Exception {

        if (decrement <= 0) {

            myCustomMethod.invoke(this);

            decrement = 1f;
        } else {
            decrement -= speed; // 1 * 0.15 = 
            System.out.println(decrement);
        }

    }

    public void print() {
        System.err.println("something");
    }

}

How will i go about converting the Java reflection parts into pure lambda expressions?