Print elements in map java

Print map java

map.forEach((key, value) -> System.out.println(key + ":" + value));

Source: stackoverflow.com

Print elements in map java

// Java 8 - Collection.iterator() + Iterator.forEachRemaining()
        map.keySet().iterator()
                .forEachRemaining(System.out::println);

Print map in java

Map<String, Integer> map = new HashMap<>();
map.put("a", 1);
map.put("b", 2);
System.out.println(Arrays.asList(map)); // method 1
System.out.println(Collections.singletonList(map)); // method 2

Source: stackoverflow.com

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