jodd-json/src/main/java/jodd/json/JsonObject.java
public JsonObject put(final String key, final String value) {
		Objects.requireNonNull(key);
		map.put(key, value);
		return this;
	}
public JsonObject put(final String key, final String value) {
		Objects.requireNonNull(key);
		map.put(key, value);
		return this;
	}
Puts a string into the JSON object with the specified key.