How to print all elements in a Map

To get just the key

Map<String, Object> map = ...;

for (String key : map.keySet()) {
    // ...
}

To get just the value.

for (Object value : map.values()) {
    // ...
}

To get the key and the value.

for (Map.Entry<String, Object> entry : map.entrySet()) {
    String key = entry.getKey();
    Object value = entry.getValue();
    // ...
}