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The three main principles of object-oriented programming are inheritance, polymorphism and:

AConcatenation
BEncapsulation
CCompilation
DCorrelation
Answer & Solution
Correct answer: B. Encapsulation
1. Data is bundled with its behaviour. 2. Internals are hidden from outside. 3. It is encapsulation. _Source: OpenStax Introduction to Computer Science, Chapter 7, High-Level Programming Languages._
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