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Code with Java 21 > Weather Application model > Flashcards

Weather Application model Flashcards

1
Q

What is the purpose of the WeatherPrimaryKey class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To handle HTTP requests

A

b) To represent the primary key columns of the weather_by_station_by_month table

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2
Q

What is the purpose of the @PrimaryKeyClass annotation in Spring Data Cassandra?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To indicate that a class represents a composite primary key
d) To define a GET endpoint

A

c) To indicate that a class represents a composite primary key

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3
Q

What is the purpose of the @PrimaryKeyColumn annotation in Spring Data Cassandra?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To map individual columns of a composite primary key
d) To define a GET endpoint

A

c) To map individual columns of a composite primary key

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4
Q

What is the purpose of the WeatherEntity class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To handle HTTP requests

A

a) To define the structure of the database table

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5
Q

What is the purpose of the @Table annotation in Spring Data Cassandra?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To map a class to a database table
d) To define a GET endpoint

A

c) To map a class to a database table

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6
Q

What is the purpose of the WeatherReading class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To return weather data to the calling services

A

d) To return weather data to the calling services

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7
Q

What is the purpose of the WeatherAppRepository interface in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To interact with the database and perform CRUD operations

A

d) To interact with the database and perform CRUD operations

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8
Q

What is the purpose of the @Repository annotation in Spring Data?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To indicate that a class is a repository interface
d) To define a GET endpoint

A

c) To indicate that a class is a repository interface

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9
Q

What is the purpose of the @Query annotation in Spring Data?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To define a custom query for a repository method
d) To define a GET endpoint

A

c) To define a custom query for a repository method

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10
Q

What is the purpose of the Measurement class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To represent measurement data from the NWS JSON response

A

d) To represent measurement data from the NWS JSON response

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11
Q

What is the purpose of the CloudLayer class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To represent cloud layer data from the NWS JSON response

A

d) To represent cloud layer data from the NWS JSON response

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12
Q

What is the purpose of the Properties class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To represent properties data from the NWS JSON response

A

d) To represent properties data from the NWS JSON response

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13
Q

What is the purpose of the Geometry class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To represent geometry data from the NWS JSON response

A

d) To represent geometry data from the NWS JSON response

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14
Q

What is the purpose of the LatestWeather class in the weather application?

a) To define the structure of the database table
b) To represent the primary key columns of the weather_by_station_by_month table
c) To manage the user interface
d) To represent the root object of the NWS JSON response

A

d) To represent the root object of the NWS JSON response

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15
Q

What is the purpose of the getBucket method in the WeatherAppController class?

a) To define the structure of the database table
b) To generate a month bucket from a timestamp
c) To manage the user interface
d) To handle HTTP requests

A

b) To generate a month bucket from a timestamp

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16
Q

What is the purpose of the mapLatestWeatherToWeatherEntity method in the WeatherAppController class?

a) To define the structure of the database table
b) To map data from the NWS JSON response to a WeatherEntity object
c) To manage the user interface
d) To handle HTTP requests

A

b) To map data from the NWS JSON response to a WeatherEntity object

17
Q

What is the purpose of the mapWeatherEntityToWeatherReading method in the WeatherAppController class?

a) To define the structure of the database table
b) To map data from a WeatherEntity object to a WeatherReading object
c) To manage the user interface
d) To handle HTTP requests

A

b) To map data from a WeatherEntity object to a WeatherReading object

18
Q

What is the purpose of the putLatestData method in the WeatherAppController class?

a) To define the structure of the database table
b) To retrieve the latest weather data from the NWS and save it to the database
c) To manage the user interface
d) To handle HTTP requests

A

b) To retrieve the latest weather data from the NWS and save it to the database

19
Q

What is the purpose of the getLatestData method in the WeatherAppController class?

a) To define the structure of the database table
b) To retrieve the latest weather data from the database
c) To manage the user interface
d) To handle HTTP requests

A

b) To retrieve the latest weather data from the database

20
Q

What is the purpose of the @PutMapping annotation in Spring Boot?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To define a PUT endpoint
d) To define a GET endpoint

A

c) To define a PUT endpoint

21
Q

What is the purpose of the @GetMapping annotation in Spring Boot?

a) To define a class as a RESTful controller
b) To specify the base service name for a RESTful controller
c) To define a PUT endpoint
d) To define a GET endpoint

A

d) To define a GET endpoint

Code with Java 21 (32 decks)

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