Java Collection Tutorial - Java Map.values()


Map.values() has the following syntax.

Collection < V > values()


In the following code shows how to use Map.values() method.

/*  www. j  a  v a  2  s  . co m*/
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class Main {
  public static void main(String[] a) {
    Map<String,String> map = new HashMap<String,String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    Collection set = map.values();
    Iterator iter = set.iterator();

    while (iter.hasNext()) {

The code above generates the following result.