Quiz: Can You Pass This Java Trivia Questions?

20 Questions | By Nyssa007 | Updated: Mar 21, 2022 | Attempts: 112

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Quiz: Can You Pass This Java Trivia Questions? - Quiz

Can You Pass This JAVA Trivia Questions? Java is one of the most used programming languages, and it enables programmers to write computer instructions using the commands, instead of having to write in numeric codes. Do you know how to use this language? Do take up this quiz and get to see how well you understand it. All the best!

Questions and Answers

1.

____ is a notation of whether an attribute can be directly accessed by another object and is indicated by plus or minus signs.
- A.
  
  Method signature
- B.
  
  Overloaded method
- C.
  
  Visibility
- D.
  
  Class-level method
2.

____ occurs when a class is passed a parameter that references another object.
- A.
  
  Parameter navigation visibility
- B.
  
  Navigation visibility
- C.
  
  Stereotyping
- D.
  
  Information hiding
3.

A(n) ____ is one that exists after the program quits.
- A.
  
  Stereotype
- B.
  
  Entity class
- C.
  
  Persistent class
- D.
  
  Boundary class
4.

A(n) ____ is a class invented by a system designer to handle a needed system function.
- A.
  
  Use case controller
- B.
  
  Design pattern
- C.
  
  Artifact
- D.
  
  Object
5.

In programming jargon, invoking a method on an object frequently requires ____ to invoke the correct method on the correct object.
- A.
  
  Coupling
- B.
  
  Dot notation
- C.
  
  Cohesion
- D.
  
  Inheritance
6.

The symbol for an artifact is a rectangle with a document icon in the ____ corner.
- A.
  
  Top right
- B.
  
  Top left
- C.
  
  Bottom right
- D.
  
  Bottom left
7.

A(n) ____ describes the structure of what an executing object looks like.
- A.
  
  method signature
- B.
  
  Overloaded method
- C.
  
  Stereotype
- D.
  
  Class definition
8.

A(n) ____ diagram shows the placement of various physical nodes (components) across different locations.
- A.
  
  Artifact
- B.
  
  Component
- C.
  
  Document
- D.
  
  Deployment
9.

____ is a qualitative measure of the consistency of functions within a single class.
- A.
  
  Cohesion
- B.
  
  Information hiding
- C.
  
  Coupling
- D.
  
  Encapsulation
10.

____ is a notation that shows all of the information needed to invoke, or call, the method.
- A.
  
  . A method signature
- B.
  
  An overloaded method
- C.
  
  Visibility
- D.
  
  A class-level method
11.

An example of ____ is a class that has closely related responsibilities, such as a single class that maintains customer information and customer account information.
- A.
  
  High cohesion
- B.
  
  Medium coupling
- C.
  
  High coupling
- D.
  
  Medium cohesion
12.

The purpose of the ____ diagram is to document and describe the programming classes that will be built for the new system.
- A.
  
  Design class
- B.
  
  Sequence
- C.
  
  Data flow
- D.
  
  Entity relationship
13.

____ is a design principle in which objects are responsible for carrying out system processing
- A.
  
  Realization of use cases
- B.
  
  Indirection
- C.
  
  Protection from variations
- D.
  
  Object responsibility
14.

A(n) ____ is simply a way to categorize a model element as a certain type.
- A.
  
  Stereotype
- B.
  
  Entity class
- C.
  
  Persistent class
- D.
  
  Boundary class
15.

____ is a qualitative measure of how closely the classes in a design class diagram are linked.
- A.
  
  Cohesion
- B.
  
  Information hiding
- C.
  
  Coupling
- D.
  
  Encapsulation
16.

In a design class diagram, ____ visibility is identified by an arrow between the classes, where the arrow points to the visible class.
- A.
  
  Attribute navigation
- B.
  
  Parameter navigation
- C.
  
  Reference navigation
- D.
  
  Object navigation
17.

Even for a single-use system, it is wise to develop the system as a(n) ____ program so that the boundaries between the various levels are well defined
- A.
  
  Instantiation
- B.
  
  Multilayer
- C.
  
  Indirection
- D.
  
  Coupling
18.

For systems that require ____, it is better to use three-layer architecture so that separate classes exist for both the domain logic and the data access process.
- A.
  
  More complex business logic
- B.
  
  Simple business logic
- C.
  
  Single user interfaces
- D.
  
  Data validation
19.

The ____ is the set of public methods that is available to the outside world.
- A.
  
  Component diagram
- B.
  
  Three-layer architecture
- C.
  
  ASP
- D.
  
  API
20.

A(n) ____ is a class that mediates between the boundary classes and the entity classes.
- A.
  
  Control class
- B.
  
  Entity class
- C.
  
  Boundary class
- D.
  
  Data access class