Removing duplications in jsonarray java

Question

I have a json list as follows:

"edgelist":[{"value":15.0,"date":20130729,"type":"url","destination":"224883242"},
               {"value":15.0,"date":20130729,"type":"url","destination":"224883243"},
               {"value":15.0,"date":20130730,"type":"url","destination":"224883242"}
             ]

Take a look at "destination and date..

Destination 224883242 is repeated twice..

What I want to keep is just latest unique jsons ... So the output would be

"edgelist":[               {"value":15.0,"date":20130729,"type":"url","destination":"224883243"},
                   {"value":15.0,"date":20130730,"type":"url","destination":"224883242"}
                 ]

What is the best way to do this...?

If destination and date are same.. keep either but not both.

salezica · Accepted Answer · 2013-11-22 22:01:29Z

2

Model these JSON objects as proper Java objects. Give them a Class.
Implement hashcode and equals for that Class so that they depend on the destination and date fields.
Push all your objects into a Set. The resulting collection will have no duplicates.

answered Nov 22, 2013 at 22:01

salezica

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