Use this or not

Question

does using the "this" keyword for calling private methods or variables have overhead?
is it recommended?

Answer 1

does using the "this" keyword for calling private methods or variables have overhead?No.
is it recommended?I only use it where necessary to disambiguate, typically in a constructor:
public class Name {
  private String name;
  public Name(String name) {
    this.name = name;
}