How to test if JSON object is empty in Java

Question

The JSON object I\'m receiving looks like this:

[{\"foo1\":\"bar1\", \"foo2\":\"bar2\", \"problemkey\": \"problemvalue\"}]

What I\'m trying

Answer 1

For this case, I do something like this:

var obj = {};

if(Object.keys(obj).length == 0){
        console.log("The obj is null")
}