hashcode Archives - Petamind https://petaminds.com/tag/hashcode/ A.I, Data and Software Engineering Tue, 05 Oct 2021 06:06:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://petaminds.com/wp-content/uploads/2019/09/ic_launcher.png hashcode Archives - Petamind https://petaminds.com/tag/hashcode/ 32 32 WHY DO WE NEED TO OVERRIDE EQUALS AND HASHCODE METHODS IN JAVA/Kotlin https://petaminds.com/why-do-we-need-to-override-equals-and-hashcode-methods-in-java-kotlin/ https://petaminds.com/why-do-we-need-to-override-equals-and-hashcode-methods-in-java-kotlin/#comments Fri, 19 Mar 2021 02:12:56 +0000 https://petaminds.com/?p=2889 In this post, we will discuss why it is important to override equals and hashCode method in Java/Kotlin. Item 9 in Josh Bloch’s Effective Java suggests always override hashCode() method if the class overrides equals(). In this post, we will discuss why this is necessary and good practice.  We know that two objects are considered equal only if their references […]

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