Map<String, String> map = ...
for (Map.Entry<String, String> entry : map.entrySet()) {
System.out.println(entry.getKey() + "/" + entry.getValue());
}map.forEach((k, v) -> System.out.printf( " %s : %d \n" , k,v) );public void iterateUsingStreamAPI(Map<String, Integer> map) {
map.entrySet().stream()
// ...
.forEach(e -> System.out.println(e.getKey() + ":" + e.getValue()));
}
public void iterateUsingEntrySet(Map<String, Integer> map) {
for (Map.Entry<String, Integer> entry : map.entrySet()) {
System.out.println(entry.getKey() + ":" + entry.getValue());
}
}
public void iterateUsingLambda(Map<String, Integer> map) {
map.forEach((k, v) -> System.out.println((k + ":" + v)));
}
public void iterateUsingIteratorAndEntry(Map<String, Integer> map) {
Iterator<Map.Entry<String, Integer>> iterator = map.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry<String, Integer> entry = iterator.next();
System.out.println(entry.getKey() + ":" + entry.getValue());
}
}