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equals and hashCode methods implementation in the data objects is extremely important when the application creates and hold data obtained from the database or from any source. It is important that applications does not maintain the redundant information as part of the objects which eat the memory as well as impact the performance of collections and sometime even functioning of collections is directly dependent on these methods.
So, in this video i have explained the importance of overriding equals and hashcode methods and also demonstrated how they impact the performance of the collections.
Nesta página do site você pode assistir ao vídeo on-line overriding equals and hashcode in java - Part 2 | Impact on collections performance | Java9s.com duração hora minuto segundo em boa qualidade , que foi baixado pelo usuário java9s 06 Abril 2016, compartilhe o link com seus amigos e conhecidos, no youtube este vídeo já foi visto 31,628 vezes e gostou 182 espectadores. Boa visualização!