How to print a map in Java?

October 28, 2021

To print a map in Java, call the System.out.println method.

For example, this will print {Hello=1, World=2}:

Map<String, Integer> map = new LinkedHashMap<>();

map.put("Hello", 1);
map.put("World", 2);

System.out.println(map); // {Hello=1, World=2}