139. Comparable interface

What is a Comparable interface in Java?

• Custom sorting
• Natural ordering
• External sorting
• Object comparison

How does the Comparable interface work?

• Custom logic
• External sorting
• compareTo() method
• equals() method

What is Comparator vs Comparable interface in Java?

• Sorting options
• Customization vs natural
• Equality vs ordering
• Object creation

What does Comparable interface in Java equal?

• Sorting mechanism
• Natural order
• Custom logic
• Collection management

Difference between Comparator and Comparable interface?

• Logic types
• Class structure
• External vs internal
• Method names

Is Comparator a functional interface?

• No
• Rarely
• Yes
• Sometimes

What is Comparable in Java with an example?

• Lambda syntax
• Natural order
• Static methods
• Inheritance concept

Why is Comparable a functional interface?

• Optional methods
• Single abstract method
• Multiple methods
• Static methods

What does the Comparable interface contain?

• Sorting rules
• compareTo() method
• equals() method
• Custom methods

Why is Comparator used in Java?

• Natural order
• Custom sorting
• Static methods
• Inheritance concept