Web Reference: Jan 8, 2024 · Learn about the contracts that equals () and hasCode () need to fulfill and the relationship between the two methods Jul 23, 2025 · Java.lang.object has two very important methods defined: public boolean equals (Object obj) and public int hashCode (). In java equals () method is used to compare equality of two Objects. The equality can be compared in two ways: Mar 9, 2024 · This article helps you understand the two important concepts in the Java language: the equals () and hashCode () methods. You will then be able to apply them into your coding, as well as answering interview questions relate to equals and hashCode in Java programming.
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