Example usage for java.util Set add

Introduction

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

Prototype

boolean add(E e);

Source Link

Document

Adds the specified element to this set if it is not already present (optional operation).

Usage

From source file:Main.java

public static <E extends Enum<?>> Set<E> getAllExcluding(E elements[], E... excluding) {
    Set<E> exclude_set = new HashSet<E>();
    for (E e : excluding)
        exclude_set.add(e);

    Set<E> elements_set = new HashSet<E>();
    for (int i = 0; i < elements.length; i++) {
        if (!exclude_set.contains(elements[i]))
            elements_set.add(elements[i]);
    } // FOR//  w w  w. j  a  v a 2  s  .  co  m
    return (elements_set);
    //      Crappy java....
    //        Object new_elements[] = new Object[elements_set.size()];
    //        elements_set.toArray(new_elements);
    //        return ((E[])new_elements);
}

From source file:Main.java

public static <T> Set<T> toSet(Iterable<? extends T> things) {
    if (things == null) {
        return new HashSet<T>(0);
    }/*from  w w  w. j av  a 2  s  . c  om*/
    if (things instanceof Set) {
        @SuppressWarnings("unchecked")
        Set<T> castThings = (Set<T>) things;
        return castThings;
    }

    Set<T> set = new LinkedHashSet<T>();
    for (T thing : things) {
        set.add(thing);
    }
    return set;
}

From source file:Main.java

/**
 * Converts parameters into a set/*from ww  w .  j a  v a2s  .  com*/
 *
 * @param <T>    set element type
 * @param first  element
 * @param second element
 * @param third  element
 * @return set containing the given elements
 */
public static <T> Set<T> asSet(T first, T second, T third) {
    Set<T> set = new HashSet<>(3);
    set.add(first);
    set.add(second);
    set.add(third);
    return set;
}

From source file:Main.java

/**
 * <p>Return a "type-safe" set/*  w  ww .j a v a 2  s.  c om*/
 * </p>
 *
 * @param iterator the iterator to build the set out of
 * @param <T> elements type
 * @return a type-safe {@link HashSet}
 */
public static <T> Set<T> toSet(final Iterator<T> iterator) {
    final Set<T> ret = new HashSet<T>();

    while (iterator.hasNext())
        ret.add(iterator.next());

    return ret;
}

From source file:edu.umd.umiacs.clip.tools.scor.WordVectorUtils.java

public static void subset(String input, String output, Set<String> words, boolean loadOldVectorToMemory) {
    Set<String> allWords = new HashSet<>(words);
    allWords.add("</s>");
    List<String> lines = new ArrayList<>();
    (loadOldVectorToMemory ? readAllLines(input).parallelStream() : lines(input)).filter(line -> {
        String[] fields = line.split(" ");
        return fields.length > 2 && allWords.contains(fields[0]);
    }).forEach(lines::add);//from   www  . j a  va2s .c o  m
    lines.add(0, lines.size() + " " + (lines.get(0).split(" ").length - 1));
    write(output, lines, REMOVE_OLD_FILE);
}

From source file:Main.java

private static Integer _findDuplicate(int[] array) {
    Set<Integer> seenElements = new LinkedHashSet<>();

    for (int element : array) {
        if (!seenElements.add(element)) {
            return element;
        }/*  w w w . j  a va 2  s. c o m*/
    }

    return null;
}

From source file:Main.java

/**
 * Build a set of bean from the provided iterable
 * @param source any kind of iterable// ww w  .j  a  va 2 s .  com
 * @return a {@link Serializable} {@link Set} containing the same element set
 */
public static <Bean> Set<Bean> asSet(Iterable<Bean> source) {
    if (source instanceof Set && source instanceof Serializable) {
        return (Set<Bean>) source;
    } else if (source == null) {
        return Collections.emptySet();
    } else {
        Set<Bean> returned = new HashSet<Bean>();
        for (Bean b : source) {
            returned.add(b);
        }
        return returned;
    }
}

From source file:Main.java

public static <T> Set<T> intersection(Set<T> setA, Set<T> setB) {
    Set<T> tmp = new TreeSet<T>();
    for (T x : setA)
        if (setB.contains(x))
            tmp.add(x);
    return tmp;/* w ww  . j  a va  2s .com*/
}

From source file:Main.java

public static <T> Set<T> toSet(final Iterable<T> iterable) {
    final Set<T> set = new TreeSet<T>();
    for (Iterator<T> i = iterable.iterator(); i.hasNext();) {
        set.add(i.next());
    }/*from ww  w.  ja  v  a 2  s.com*/
    return set;
}

From source file:Main.java

/**
 * <p>Turn source list to Set</p>
 * @param list source list//  w w  w .ja  v a 2  s  . c  o m
 * @return
 */
public static <T extends Object> Set<T> turnListToSet(List<T> list) {
    Set set = new HashSet<T>();
    if (list != null) {
        for (T obj : list) {
            set.add(obj);
        }
    }
    return set;
}