The Team class overrides only equals(), but it still implicitly uses the default implementation of hashCode() as defined in the Object class. And this returns a different hashCode() for every instance of the class.3 Mar 2022
Read moreWhat happens if we override equals method and override hashCode method?
Overriding only equals() method without overriding hashCode() causes the two equal instances to have unequal hash codes , which violates the hashCode contract (mentioned in Javadoc) that clearly says, if two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two …
Read moreHow use hashCode and equals method in Java?
If two Objects are equal, according to the equals(Object) method, then hashCode() method must produce the same Integer on each of the two Objects.
Read moreWhat is the correct way of overriding hashCode method?
Overriding hashCode method in Java
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.
Read more