Java API's Flashcards
1
Q
What is REST?
A
Representational State Transfer
2
Q
Who is the consumer in a web service?
A
A piece of software
3
Q
What does URI?
A
Uniform Resource Identifier
4
Q
Why is JSON preferable to XML to pass on information?
A
It is easier for the browser to parse JSON
5
Q
How is the xml file used when constructing the API?
A
It shows where the files are for the servlet and then the servlet files has annotations to handle the requests.
6
Q
What are the steps to connect to an outside api?
A
1- Import java.net.URL 2- Create variable for url 3- Import java.net.httpURlConnection 4- Create a connection 5- Use request method 6- set connection timeout 7- Get Response code 8 - Need to set up an input stream because the response you get back will be an input stream hence the input stream reader 9 Wrap input stream reader inside a buffered reader 10 -
7
Q
What is the advantage of the async http request for java?
A
it allows you to perform other tasks while you are waiting for the response from the request.
8
Q
What is an ORM?
A
Object Relational Mapping
9
Q
What are the classes that are needed to connect and process an outside API?
A
1- Need a class to map to the data from the API 2- Need a class to connect to the api 3- Need an interface to make the request
