Map 반복문

@Test
void test(){
        Map<String, Object> testMap = new HashMap<>();

        IntStream.rangeClosed(0, 10).forEach(i -> testMap.put(String.valueOf(i) ,  i));

		// 방법 1
        String key = "";
        for (String s : testMap.keySet()) {
                key = s;
                System.out.println(key + ":" + testMap.get(key));
        }

        System.out.println("-------");

		// 방법 2
        testMap.forEach((k, v) -> System.out.println(k + ":" + v));

        System.out.println("-------");

		// 방법 3
        testMap.entrySet().forEach(test -> System.out.println(test.getKey() + ":" + test.getValue()));
}