10 Questions
Who is credited with originating the term open-closed principle?
Bertrand Meyer
In object-oriented programming, what does the open-closed principle state?
The open-closed principle states that software entities should be open for extension but closed for modification.
What is meant by a module being 'open' according to Meyer's open-closed principle?
A module is considered 'open' if it is still available for extension.
What are some techniques used to implement the open-closed principle?
Generalizations such as inheritance or delegate functions can be used to implement the open-closed principle.
What is the open-closed principle considered as?
The open-closed principle is one of the five SOLID principles of object-oriented design.
What is Mendelian inheritance?
Mendelian inheritance is a type of biological inheritance based on the principles proposed by Gregor Mendel, which involve the passing of specific traits from parents to offspring.
Who rediscovered Mendelian inheritance?
Hugo de Vries and Carl Correns rediscovered Mendelian inheritance in 1900.
When were Mendel's principles integrated with the Boveri-Sutton chromosome theory?
Mendel's principles were integrated with the Boveri-Sutton chromosome theory in 1915 by Thomas Hunt Morgan.
What did Ronald Fisher do with Mendelian inheritance and natural selection?
Ronald Fisher combined Mendelian inheritance with the theory of natural selection in his book 'The Genetical Theory of Natural Selection' in 1930.
Who initially formulated the principles of Mendelian inheritance?
Gregor Johann Mendel, a nineteenth-century Moravian monk, formulated the principles of Mendelian inheritance.
Study Notes
Open-Closed Principle
- The term "open-closed principle" was originated by Bertrand Meyer.
- The open-closed principle states that a software entity (such as a class or module) should be open for extension but closed for modification.
- A module being "open" means it provides a way to extend its behavior without modifying its source code.
Mendelian Inheritance
- Mendelian inheritance refers to the principles formulated by Gregor Mendel, an Austrian monk and botanist.
- Mendelian inheritance is the basis of modern genetics, describing how traits are inherited from one generation to the next.
- The principles of Mendelian inheritance were initially formulated by Gregor Mendel.
- Hugo de Vries, Carl Correns, and Erich von Tschermak independently rediscovered Mendel's work in the early 20th century.
- In the 1910s, Thomas Hunt Morgan integrated Mendel's principles with the Boveri-Sutton chromosome theory.
- Ronald Fisher combined Mendelian inheritance with natural selection to form the modern evolutionary synthesis.
Test your knowledge of the Open-Closed Principle in object-oriented programming with this quiz. Explore the concept of extending software entities without modifying their source code and learn how to apply this principle effectively.
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