Convert HashMap.toString() back to HashMap in Java

Question

I put a key-value pair in a Java HashMap and converted it to a String using the toString() method.

Is it possible to convert t

Answer 1

You can make use of Google's "GSON" open-source Java library for this,

Example input (Map.toString) : {name=Bane, id=20}

To Insert again in to HashMap you can use below code:

yourMap = new Gson().fromJson(yourString, HashMap.class);

That's it Enjoy.

(In Jackson Library mapper It will produce exception "expecting double-quote to start field name")