Creating Key-Value Pair Javascript Object Using Java

[Vinod Kumar]

I am converting my libgdx game into html for Facebook Instant Games. I need
to create a payload of type key-value javascript.
How to create a javascript key-value pair type object using java.

[Jens]

With latest GWT you can use jsinterop-base library and then use
JsPropertyMap: https://github.com/google/jsinterop-base/blob/master/java/jsinterop/base/JsPropertyMap.java

With older GWT versions you can use JSONObject from
com.google.gwt.json.JSON.

-- J.