Complete Java SE 8 Developer Bootcamp - The Object Class

The video tutorial explains the commonly overridden methods in Java, focusing on toString and equals. It discusses Java's inheritance hierarchy, where all classes extend Java Lang Object. The tutorial provides examples of using and overriding these methods, highlighting their default behaviors and the importance of polymorphism. It also covers the implementation of the equals method and the necessity of overriding hashCode when equals is overridden.

What is polymorphism and how does it relate to the 'toString' method?

How can you implement the 'equals' method for a custom class?

What does the 'instanceof' operator do in the context of the 'equals' method?

Why is it necessary to override the 'hashCode' method when overriding 'equals'?