Chapter

Importance of javaequals() and javahashCode() Methods

From ComputerScienceOne by Dr Chris Bourke

Concepts

1. How can a Java Comparator handle null values?

   "Other considerations include null values. How we handle these is a design decision. We could ignore it, in which case such elements would likely result in a NullPointerException and expect the user t

2. Why are equals() and hashCode() important when searching and using sets?

   "Recall that in Chapter 34 we briefly discussed the importance of overloading the equals() and hashCode() methods of our objects. We reiterate this in the context of searching. Recall that the Set and