How to use the toString() method in Java?

I wanted to know the purpose of the toString() method, defined in the Object class? How is it used?

This link from Oracle docs will be helpfull

Returns a string representation of the object. In general, the toString method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of :

getClass().getName() + '@' + Integer.toHexString(hashCode())

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