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Tutor profile: Odunayo K.

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Odunayo K.
Math and Science Tutor, recent Princeton graduate
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Questions

Subject: Java Programming

TutorMe
Question:

Give an example of Polymorphism

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Odunayo K.
Answer:

public interface FourWheelDrive{} public interface TwoWheelDrive{} public class Vehicle{} public class SUV extends Vehicle implements FourWheelDrive public class Coupe extends Vehicle implements TwoWheelDrive public class AllTerrainCoupe extends Vehicle implements FourWheelDrive, TwoWheelDrive This describes the concept of multiple inheritance. The SUV and Coupe are subclasses of Vehicle because both are types of vehicles. Both classes inherit the properties of the Vehicle using "extends". However, the SUV and Couple implement different interfaces, because while they are both Vehicles, they can be different types of Vehicles. Not all Vehicles use Four Wheel or Two Wheel drive. Extending in java defines a shared implementation within subclasses while Implementing defines a contract between the interface and the class. In Java classes cannot extend multiple superclasses but they can implement multiple interfaces, as seen in the AllTerrainCoupe class.

Subject: Algebra

TutorMe
Question:

What is the factorization of 18x^3 +3x^2 - 6x?

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Odunayo K.
Answer:

3x(2x-1)(3x+2)

Subject: Algebra

TutorMe
Question:

Solve for X: 5(-3x+2) + 4 = 40

Inactive
Odunayo K.
Answer:

X= -26/15

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