overriding methods without subclassing in Java

Question

I started on a new project recently and saw the usage of overriding like below for the first time.

public class SomeClass {
  public void myMethod() {
    XS         


        

Answer 1

The new implementation for

wrapMapper(MapperWrapper next)

method is limited for this instance xstream

XStream xstream

this type of overriding is creating a class that extends XStream, that's why it is called Anonymous, do not have a name and you can not have a reference for it.