What is the difference between abstract class and interface in Java?

Explain OOP principles with examples.

What is the difference between == and .equals() in Java?

What are joins in SQL? Can you explain INNER JOIN vs LEFT JOIN?

What is the difference between REST and SOAP APIs?

Question

What is the difference between abstract class and interface in Java?

Explain OOP principles with examples.

What is the difference between == and .equals() in Java?

What are joins in SQL? Can you explain INNER JOIN vs LEFT JOIN?

What is the difference between REST and SOAP APIs?

Capgemini Engineering