Create a JSON without a key

Question

We wanted to create a JSON structure as below in Java

{
 [
  { 
   "key": "ABC001",
   "value": true 
  },
  { 
   "key": "ABD12",
   "value": false 
  },
  { 
   "key": "ABC002",
   "value": true 
  },
 ]
}

To implement this we created a class and had a list private property inside it. But that is creating a key values

class Response{
private List<Property> values;
 // setter getter for this private property
}

The output for this is

{
values : [
{
"key": "ABC001",
"value": true
},
......
]

Is there a way we create the array without the key and inside the { }?

Answer 1

Unfortunately, what you're trying to build is not a valid json. You can try to validate it here.

With this "json", for example, it would be impossible to read the array, because it has no key.

{
"foo_key" : "bar",
 [
  { 
   "key": "ABC001",
   "value": true 
  },
  { 
   "key": "ABD12",
   "value": false 
  },
  { 
   "key": "ABC002",
   "value": true 
  },
 ]
}

Parsing a json like this one, you could get "bar" because it has a key ("foo_key"), but how could you get the array?

The code you're using is already correct for a valid json.