The implementation of equals() and hashCode() should follow these rules.
Read moreWhat is use of equals () in Java?
Java String equals() Method The equals() method compares two strings, and returns true if the strings are equal, and false if not .
Read moreWhy do classes need an equals method?
The equals() method compares two objects for equality and returns true if they are equal . The equals() method provided in the Object class uses the identity operator ( == ) to determine whether two objects are equal. For primitive data types, this gives the correct result.
Read moreDoes the Object class define a default equals method?
The Object class defines the default implementation for this method.. By default, the equals () method returns false if the two objects aren’t the same instance… … Now the equals() method will return true if two instances of Payment have the same currency and value.
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