jodd-json/src/main/java/jodd/json/JsonObject.java
public String getString(final String key) {
		CharSequence cs = (CharSequence) map.get(key);
		return cs == null ? null : cs.toString();
	}
public String getString(final String key) {
		CharSequence cs = (CharSequence) map.get(key);
		return cs == null ? null : cs.toString();
	}
Returns the string value with the specified key.