Learn how to implement the equals and hashCode methods in Java to ensure consistent and logical object equality in object-oriented design. Skip to main content LinkedIn Articles ...

Java’s equals() and hashcode() are two methods that work together to verify if two objects have the same value. You can use them to make object comparisons easy and efficient in your Java programs.

Notice that when we store key1, we call hashCode, and that tells us to put it in element one in the array. Key2, we call hashCode, and that puts it in element two of the array. Three -- third element.