Utils Contents Hyperic SIGAR Zip Gson Gson Convert JSON to a Map Convert String to JsonObject Save Data to a JSON File Gson vs Jackson Jackson Jackson ObjectMapper Jackson @JsonFilter Jackson @JsonFormat Jackson Ignore Null and Empty Fields Jackson JsonNode.forEach() with Java 8 Consumer Jackson JsonParser JsonGenerator Properties Java Properties Runtime Environment Java 8 Gson 2.8.5 Jackson 2.x sigar-1.6.4 UserAgentUtils 1.21 Tomcat 9.0.x Protobuf 3.x