15.8.1 - Comparable Interface
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Practice Questions
Test your understanding with targeted questions
Define the Comparable interface in Java.
💡 Hint: Think about how objects can be compared.
What method must be implemented by a class that implements Comparable?
💡 Hint: It's the main method for comparison.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of the Comparable interface in Java?
💡 Hint: Think about what helps in ordering objects.
The compareTo method must return a negative number if the first object is greater than the second.
💡 Hint: Think about the definition of greater.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a class Employee that implements Comparable and sorts employees based on their salary. Write the full code with the compareTo method implemented.
💡 Hint: Focus on defining which employee's salary is higher.
Given a list of integers, sort them using the Comparable interface. Explain what happens internally during sorting.
💡 Hint: How does the sorting mechanism use compareTo?
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