json2tree

Parse Nested Json as a tree uses Jackson.

Simple java program to parse nested Json. Traverse the Json as a Tree (recursive DFS)

Methods:

1. countNodes - Count all the nodes.

• Input - Json Root
• Output - Total number of nodes

2. countNodesUnderNode - count number of nodes under specific node

• Input - Json Root, String search, String field
• output - Total number of nodes

3. countNodesFieldsFrequency - display Map of <field,frequency>

• Input - Json Root
• Output - Display of the HashMap (void method)