Java Tutorial | hashCode() Method
What is meant by hashCode in Java?
hashCode in Java is a function that returns the hashcode value of an object on calling. It returns an integer value which is generated by the hashing algorithm.
The process of assigning a unique value to an object or attribute using an algorithm, which enables quicker access, is known as hashing.
hashCode in Java helps the program to run faster.
According to official Java documentation, two equal objects should always return the same hash code value.
Note: We have used the Java Object equals() method to check whether two objects are equal.
For example, comparing two objects by their hashcodes will give the result 20 times faster than comparing them using the equals() function.
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