Example usage for java.util HashSet HashSet

Introduction

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

Prototype

public HashSet(int initialCapacity)

Source Link

Document

Constructs a new, empty set; the backing HashMap instance has the specified initial capacity and default load factor (0.75).

Usage

From source file:Main.java

@SuppressWarnings("unchecked")
public static Collection<? extends Object> getUnion(Collection<? extends Object> list1,
        Collection<? extends Object> list2) {
    @SuppressWarnings("rawtypes")
    Collection union = new HashSet(list1);
    union.addAll(list2);/*from  w  ww. j av a2s.  co m*/
    return union;
}

From source file:Main.java

/**
 * Creates a new list with the given elements
 * @param values//from  w  w  w  .  j  ava  2  s .co m
 * @return
 */
@SafeVarargs
public static <T> Set<T> newSet(T... values) {
    HashSet<T> set = new HashSet<>(values.length);
    for (T element : values) {
        set.add(element);
    }

    return set;
}

From source file:Main.java

@SafeVarargs
public static <T> Set<T> toSet(T... array) {
    if (isEmpty(array)) {
        return new HashSet<>(0);
    }//from   w  ww.j a v a  2  s. c o m
    return new HashSet<>(Arrays.asList(array));
}

From source file:com.wakacommerce.common.util.PomEvaluator.java

/**
 * @param args/*from ww w. ja v  a2s .c  om*/
 */
public static void main(String[] args) {
    initializeKnownLibraries();
    BufferedReader br = null;

    try {
        String fileName = "/Users/brianpolster/blc-workspace/BroadleafCommerce/pom.xml";
        if (args.length > 0) {
            fileName = args[0];
        }

        br = new BufferedReader(new FileReader(fileName));

        forwardToTag("<dependencies>", br);

        List<Dependency> dependencies = populateDependencies(br);

        for (Dependency dependency : dependencies) {
            Category category = knownLibraries.get(dependency.groupId);
            if (category != null) {
                category.dependencyList.add(dependency);
                List<Dependency> licenseDependencyList = licenseDependencyMap.get(category.licenseType);
                if (licenseDependencyList == null) {
                    licenseDependencyList = new ArrayList<Dependency>();
                    licenseDependencyList.add(dependency);
                    licenseDependencyMap.put(category.licenseType, licenseDependencyList);
                }

            } else {

                if (dependency.scope != null
                        && (dependency.scope.equals("test") || dependency.scope.equals("provided"))) {
                    continue;
                }
                OTHER.dependencyList.add(dependency);
            }
        }

        Set<Category> categoryList = new HashSet<Category>(knownLibraries.values());

        System.out.println("Related Software Report\r");

        for (Category category : categoryList) {
            printOutDependencies(category, category.dependencyList);
        }

        if (OTHER.dependencyList.size() > 0) {
            printOutDependencies(OTHER, OTHER.dependencyList);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (br != null)
                br.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}

From source file:Main.java

public static <T> Set<T> makeSet(int size) {
    return new HashSet<T>(size);
}

From source file:Main.java

final static public Set<Object> createSet(final int size) {
    return new HashSet<Object>(size);
}

From source file:Main.java

public static Set<Integer> asSet(int... data) {
    return new HashSet<Integer>(asList(data));
}

From source file:Main.java

/**
 * Create a new {@link HashSet} from an existing set and another element.
 *
 * @param existing/*w w  w  .j  ava  2 s.  co  m*/
 * @param element
 * @return
 */
public static <T> HashSet<T> joinToHashSet(Set<T> existing, T element) {
    final HashSet<T> visitedWithNewPoint = new HashSet<T>(existing);

    visitedWithNewPoint.add(element);

    return visitedWithNewPoint;
}

From source file:Main.java

public static void setTabFocusTraversalKeys(final JComponent component) {
    component.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
            new HashSet<AWTKeyStroke>(Arrays.asList(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0))));
    component.setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, new HashSet<AWTKeyStroke>(
            Arrays.asList(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, KeyEvent.SHIFT_DOWN_MASK))));
}

From source file:Main.java

public final static <T> Set<T> unicon(Set<T> set1, Set<T> set2) {
    Set<T> set = new HashSet<>(set1.size() + set2.size());
    set = set1;/*from  www  . j a  v a2s  . co m*/
    set.addAll(set2);
    return set;
}