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.

As to maintain the general contract for the hashCode method, which states that equal objects must have equal hash codes. If two objects have the same hashcode then they are NOT necessarily equal.

A frequently asked question in a Java interview is: How to implement a Java HashMap ... code used in the tutorial overrides the JDK's standard equals() and hashCode() methods, forcing hash collisions ...

The hashCode() and equals() methods have been defined in Object class which is parent class for all java classes. For this reason, all java objects inherit a default ...

Although the root of all Java class hierarchies ... unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of: In ...