Developing Object-Oriented Applications with Java for Procedural Developers Pre Test

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1. Which of the following is the best definition of Encapsulation? (Required.)

Private Data, Public Methods

Public Data, Private Methods

Private Interfaces, Private Classes

Private Interfaces, Public Classes

Do Not Know

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2. Which of the following is the correct definition of UML? (Required.)

Unified Modeling Language

United Modeling Language

Unified Model Language

United Model Language

Do not know

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3. When is the Constructor invoked? (Required.)

Only the first time that Class is loaded into memory

Every time that Class is referred to in code

Only when an Object of that Class is instantiated

Never, a Constructor is never invoked

Do not know

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4. What is Object Persistence? (Required.)

Creating Objects from a Database Record

Creating Objects from an XML Configuration File

Saving Objects to maintain the state of the Object

Saving Objects as Object Graphs

Do not know

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5. Inheritance and Composition are the same thing. (Required.)

True

False

Do not know

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6. Which comes first when “Thinking in Terms of Objects”? (Required.)

The Implementation

The Interface

Object Persistence

Object References

Do not know

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7. Java Supports Multiple Inheritance (Required.)

True

False

Do not know

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8. What are “Accessors”? (Required.)

Methods to Set an Attribute

Methods to Get an Attribute

Public Attributes

Protected Attributes

Do not know

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9. A Java String is an Object. (Required.)

True

False

Do not know

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10. What is Polymorphism? (Required.)

Object method selection via Overriding

Object construction via Accessors

Object specialization via Inheritance

Object Persistence via Databases

Do not know

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* 1. Which of the following is the best definition of Encapsulation? (Required.)

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* 2. Which of the following is the correct definition of UML? (Required.)

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* 3. When is the Constructor invoked? (Required.)

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* 4. What is Object Persistence? (Required.)

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* 5. Inheritance and Composition are the same thing. (Required.)

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* 6. Which comes first when “Thinking in Terms of Objects”? (Required.)

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* 7. Java Supports Multiple Inheritance (Required.)

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* 8. What are “Accessors”? (Required.)

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* 9. A Java String is an Object. (Required.)

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* 10. What is Polymorphism? (Required.)

1. Which of the following is the best definition of Encapsulation? (Required.)

2. Which of the following is the correct definition of UML? (Required.)

3. When is the Constructor invoked? (Required.)

4. What is Object Persistence? (Required.)

5. Inheritance and Composition are the same thing. (Required.)

6. Which comes first when “Thinking in Terms of Objects”? (Required.)

7. Java Supports Multiple Inheritance (Required.)

8. What are “Accessors”? (Required.)

9. A Java String is an Object. (Required.)

10. What is Polymorphism? (Required.)