Example usage for java.util Map values

Introduction

In this page you can find the example usage for java.util Map values.

Prototype

Collection<V> values();

Source Link

Document

Returns a Collection view of the values contained in this map.

Usage

From source file:Main.java

public static <K, V> List<V> toValueList(Map<K, V> map) {
    return new ArrayList<V>(map.values());
}

From source file:Main.java

/**
 * Returns map values list.//from w w w . j  av  a2s  . c o m
 *
 * @param map map to process
 * @param <K> key object type
 * @param <V> value object type
 * @return map values list
 */
public static <K, V> ArrayList<V> valuesList(final Map<K, V> map) {
    return new ArrayList<V>(map.values());
}

From source file:Main.java

/**
 * Removes null values from the given map
 *///from www .  ja  v a  2 s .  com
public static void removeNullValues(Map<String, ?> map) {
    if (map == null)
        return;
    map.values().removeAll(Collections.singleton(null));
}

From source file:Main.java

/**
 * Applies a function to the values of the map. Note: Uses a for-each loop.
 *
 * @param map      The map with the values the function will be applied to.
 * @param function The function to apply.
 *///from   w  w  w  .  jav  a  2 s .  c  o m
public static <I, V extends I> void applyToValues(Map<?, V> map, Function<I, ?> function) {
    for (V value : map.values())
        function.apply(value);
}

From source file:Main.java

public static <K, V> List<V> mapConvertToList(Map<K, V> map) {
    List<V> list = new ArrayList<V>();
    for (V value : map.values()) {
        list.add(value);/*from   www . ja v  a 2  s.  c  o m*/
    }
    return list;
}

From source file:Main.java

private static Double calculateMagnitude(Map<Object, Integer> map1) {
    Double sum = 0.0;/*w  w w  . j  a v a2s. c om*/
    for (Integer value : map1.values()) {
        sum += Math.pow(value, 2);
    }

    return Math.sqrt(sum);
}

From source file:Main.java

public static Object extractSingleMapRoot(Map map) {

    if (map.size() == 1) {
        Object root = map.values().iterator().next();
        return root;
    }/*w w  w .j  a  v a2 s . c  om*/
    return map;
}

From source file:com.microsoft.azure.shortcuts.resources.samples.SizesSample.java

public static void test(Subscription subscription) throws Exception {
    // List size names in a specific region
    Set<String> sizeNames = subscription.sizes().asMap("westus").keySet();
    System.out.println("VM sizes: \n\t" + StringUtils.join(sizeNames, ",\n\t"));

    // List sizes in a specific region
    Map<String, Size> sizes = subscription.sizes().asMap("westus");
    for (Size size : sizes.values()) {
        System.out.println(String.format(
                "VM size: %s\n" + "\tMax data disk count: %d\n" + "\tMemory in MB: %d\n"
                        + "\tNumber of cores: %d\n" + "\tOS disk size in MB: %d\n"
                        + "\tResource disk size in MB: %d\n",
                size.id(), size.maxDataDiskCount(), size.memoryInMB(), size.numberOfCores(),
                size.osDiskSizeInMB(), size.resourceDiskSizeInMB()));
    }/*from   w  w  w .  j av  a 2  s  .c  o m*/
}

From source file:Main.java

public static void listValues(Map<String, String> map) {
    System.out.println("Values Collection:");
    Collection<String> values = map.values();
    values.forEach(System.out::println);
    System.out.println();/*w w  w  . ja  va 2 s  .c  om*/
}

From source file:Main.java

/**
 * Sums up all the associated values from the specified
 * <code>map</code>/*from  w w  w.  j ava 2  s  . c om*/
 * @param map
 * @return
 */
public static <K> double sum(Map<K, ? extends Number> map) {
    double sum = 0.0;
    for (Number value : map.values()) {
        sum += value.doubleValue();
    }

    return sum;
}