import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
public class MapDemo {
public static void main(String[] args) {
Map<String, String> month = new HashMap<>();
month.put("First Month", "Jan");
month.put("Second Month", "Feb");
month.put("Third Month", "Mar");
// Classic
for (Map.Entry<String, String> entry : month.entrySet()) {
System.out.println(entry.getKey() + ", " + entry.getValue());
}
System.out.println("------------------------");
// For fun
Iterator<Map.Entry<String, String>> it = month.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, String> entry = it.next();
System.out.println(entry.getKey() + ", " + entry.getValue());
}
System.out.println("------------------------");
// For each
month.forEach((k, v) -> System.out.println(k + ", " + v));
System.out.println("------------------------");
}
}
Third Month, Mar
Second Month, Feb
First Month, Jan
------------------------
Third Month, Mar
Second Month, Feb
First Month, Jan
------------------------
Third Month, Mar
Second Month, Feb
First Month, Jan
------------------------
