Scanner scanner = new Scanner(System.in)
String line = scanner.nextLine()
System.out.println("[ auszugebender Text ]");
variable = ([condition]) ? [wenn -> variable] : [sonst -> variable]
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.writeValue(new File("target/car.json"), [ object ]);
String jsonCarArray = { \"color\" : \"Black\", \"type\" : \"BMW\" }
, { \"color\" : \"Red\", \"type\" : \"FIAT\" }]";
List<Car> listCar = objectMapper.readValue(jsonCarArray, new TypeReference<List<Car>>(){});
ObjectMapper objectMapper = new ObjectMapper();
om.writerFor([Object].class);
List<[Object]> name =
objectMapper.readValue("string-value", new TypeReference<List<[Object]>>() {});
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.writerFor([Object].class);
[Object] name = objectMapper.readValue("string-value", new TypeReference<[Object]>() {});
javac path/to/javas/*.java
jar cfm [name].jar ../resources/manifest.txt [path/to/your/classes]/*.class
jar cfm [name].jar ../resources/manifest.txt [path/to/your/classes]/*.class
java -jar JarExample.jar opt.: ("args ...")
LocalDateTime now = LocalDateTime.now()
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");
String date = now.format(dtf);
Instant instant = Instant.now();
try {
date = DatatypeFactory.newInstance().newXMLGregorianCalendar(instant.toString());
} catch (DatatypeConfigurationException e) {
...
}