hashcode – Tarik Billa

Lombok.hashCode issue with “java.lang.StackOverflowError: null”

May 20, 2023 by Tarik

You have a circular dependency between book and bookdetails. You probably need to exclude book from BookDetail or bookDetail from Book. You can add @EqualsAndHashCode(exclude=”book”). For more information, see the EqualsAndHashCode documentation.

Objects.hash() vs Objects.hashCode(), clarification needed

February 13, 2023 by Tarik

See the documentation for hashCode and hash. hash takes Object… while hashCode takes Object. The example given is: @Override public int hashCode() { return Objects.hash(x, y, z); } Objects.hash(Object… values) should be used in cases when you want a hash of a sequence of objects, e.g. when defining your own hashCode method and want a … Read more