publicvoidexample(){ // var -> List<String> var example = new ArrayList<String>(); example.add("Hello, World!"); // var -> String var foo = example.get(0); System.out.println(foo.toLowerCase());
// var -> Map<Integer, String> var map = new HashMap<Integer, String>(); map.put(0, "zero"); map.put(5, "five"); // var -> Map.Entry<Integer, String> for (var entry : map.entrySet()) { System.out.printf("%d: %s\n", entry.getKey(), entry.getValue()); }
// var -> Person var person = new Person(); person.setName("amos"); person.setAge(22); System.out.println(person);
// var -> Integer[] var integers = new Integer[]{ 1 , 2 , 3 }; // var -> Integer var num = 2; var foundNum = Stream.of(integers).filter(s -> s.equals(num)).findAny().orElse(0); System.out.println(foundNum); }