Best way to compare 2 JSON files in Java

Question

How would you suggest this task is approached?

The challenge as i see it is in presenting diff information intelligently. Before i go reinventing the wheel, is there

Answer 1

This only addresses equality, not differences.

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With Jackson.

ObjectMapper mapper = new ObjectMapper();

JsonNode tree1 = mapper.readTree(jsonInput1);
JsonNode tree2 = mapper.readTree(jsonInput2);

boolean areTheyEqual = tree1.equals(tree2);

From the JavaDoc for JsonNode.equals:

Equality for node objects is defined as full (deep) value equality. This means that it is possible to compare complete JSON trees for equality by comparing equality of root nodes.