iterate over keys in map code example

Example 1: iterate over map key value javascript

recipeMap.forEach((value, key) => {
	console.log(`${key} costs ${value}`);
});

Example 2: map interation in java

Map map = new HashMap();
Iterator entries = map.entrySet().iterator();
while (entries.hasNext()) {
    Map.Entry entry = (Map.Entry) entries.next();
    Integer key = (Integer)entry.getKey();
    Integer value = (Integer)entry.getValue();
    System.out.println("Key = " + key + ", Value = " + value);
}