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A command line application developed in Java programming language. The main purpose of this project is to act as a qualification test of mastering of Java.

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AddressBook2

A command line application developed in Java programming language. The main purpose of this project is to act as a qualification test of mastering of Java.

Note!!! (For submit your code)

  • Fork me and use pull request to submit changes to develop branch. Anything unclear about the feature, fire issue on github.
  • You should submit your source code and pom file
  • Remember this is the only place to submit your code, not by email. Tip: do some basic learning of github

Requirement

Browse and modify a JSON data structure with ls,cd,cat, add, remove

Must be implemented features

  • Let's say we have this address entry data structure in JSON

      {
          "entries": {
              "lilei" : {
                  "age": 27,
                  "mobile" : "13700000000",
                  "address" : "Earth somewhere"
              }, 
              "hanmeimei" : {
                  "age": 26,
                  "mobile" : "13700000001",
                  "address" : "Earth somewhere else"
              }
          }
      }
    
  • start interactive command line application

    sh> java -jar ab.jar

    ab> _

  • use ls command to list the items in current position

    ab> ls

    ab> entries

  • use cd command to go to the entry like go to a directory

    ab> cd entries

    ab> ls

    ab> lilei hanmeimei

  • use cat command to display th item data

    ab> cat lilei

    ab> "lilei" : { "age": 27, "mobile" : "13700000000", "address" : "Earth somewhere" }

  • use add command to add new address entry to JSON

    ab> cd entries

    ab> add

    key: xiaoming

    value: { "age": 28, "mobile" : "13700000002", "address" : "Earth somewhere too" }

    address entry added

    ab> ls

    ab> lilei hanmeimei xiaoming

    Note: the key should be identical, if trying to add duplicated key, just display an error message

  • use remove command to remove one or more address entries

    ab> cd entries

    ab> remove

    please give the key: xiaoming

    xiaoming was deleted from JSON

    Note: if trying to delete an non-exist key, just display an error message

  • get help

    ab> !help

    then help message should be displayed, and when encoutering invalid command, help message should also be displayed.

  • quit from the application

    ab> !quit

    sh> _

Nonfunctional requirement

  • project must be managed by Maven, latest version of v3

  • unit test is a must

    • because we want to see how you test your application
  • javadoc for public interface/class/method is a must

  • Java code should be well-formatted

    • NEVER use tab for indentation
  • JSON should be used as backend persistent storage

    • You are welcome to use any JSON lib you want
  • ExecutorService should be used to handle commands

  • Maven assembly plugin should be used to assemble the application as runable jar

    • mvn clean install, then everything should be ready, and one can find assembled application under target folder
  • DO NOT store any IDE specific files into git repository

  • if there is any fault in this readme, please also fix it or submit an issue

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A command line application developed in Java programming language. The main purpose of this project is to act as a qualification test of mastering of Java.

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