Cigniti Technologies Test Architect Interview Questions and Answers

Yes, interfaces can be overridden in Java using the 'default' keyword.

• Interfaces can be overridden in Java 8 or later using the 'default' keyword.

• The 'default' keyword allows us to provide a default implementation for a method in an interface.

• If a class implements an interface with a default method, it can choose to override the default implementation.

• Overriding a default method is done by simply providing a new implem...read more

Code example of method overriding in Java

• Create a parent class with a method

• Create a child class that extends the parent class and overrides the method

• Instantiate the child class and call the method to see the overridden behavior

Java8 features include lambda expressions, streams, and functional interfaces.

• Lambda expressions provide concise syntax for functional programming.

• Streams allow for efficient processing of large data sets.

• Functional interfaces enable the use of lambda expressions.

• Optional class helps to avoid null pointer exceptions.

• Default methods allow for adding new methods to interfaces without breaking existing implementations.