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

@SafeVarargs
public static <V> Set<V> toSet(Set<V> s, V... elements) {
    for (V v : elements) {
        s.add(v);
    }//ww  w . ja v a2  s  .  c  o  m
    return s;
}

From source file:Main.java

/**
 * Adds several values to a set./* w w w  . j av a  2 s  .com*/
 * 
 * @param <T>
 *            the set's element type.
 * @param set
 *            the set.
 * @param values
 *            the values to be added.
 * @return the given set.
 */
@SafeVarargs
public static <T> Set<T> addToSet(final Set<T> set, final T... values) {
    for (final T t : values) {
        set.add(t);
    }
    return set;
}

From source file:Main.java

/**
 * Get only the unique elements in a collection
 *//*from   w ww .  j a  v  a2  s.  com*/
public static Set<?> getUniqueElements(Collection<?> items) {
    Set<Object> uniqueSet = new HashSet<>();
    for (Object item : items) {
        uniqueSet.add(item);
    }

    return uniqueSet;
}

From source file:Main.java

/**
 * Returns the set of all elements in the given collection that appear more than once.
 * @param input some collection.//w  w w .  java  2s. c om
 * @return the set of repeated elements.  May return an empty set, but never null.
 */
public static <T> Set<T> duplicatedElementsOf(Iterable<T> input) {
    Set<T> duplicates = new HashSet<>();
    Set<T> elementSet = new HashSet<>();
    for (T el : input) {
        if (!elementSet.add(el)) {
            duplicates.add(el);
        }
    }
    return duplicates;
}

From source file:Main.java

@Deprecated
public static <T> Set<T> asSet(final T t, final T... ts) {
    final Set<T> set = new HashSet<T>(ts.length + 1);
    set.add(t);
    Collections.addAll(set, ts);/*  w  ww  . j  a v  a  2s.c o  m*/
    return set;
}

From source file:Main.java

public static void registerNewSourceSinkConnection(int counter, String taintInfoOfSource) {
    Log.i("PEP", "in registerNewSourceSinkConnection(int counter, String taintInfoOfSource)");
    Set<String> taintInfos = new HashSet<String>();
    taintInfos.add(taintInfoOfSource);
    sourceSinkConnection.put(counter, taintInfos);
}

From source file:Main.java

/**
 * Convert an array into a <code>Set</code>.
 * @param <T> the type of the elements in the array.
 * @param array the array to convert./*from  w w w  .j a  v  a2 s  . c  o  m*/
 * @return a set of elements with the same type as that of the array element type.
 */
public static <T> Set<T> set(T... array) {
    Set<T> newSet = new HashSet<T>();
    for (T element : array)
        newSet.add(element);
    return newSet;
}

From source file:Main.java

public static Hashtable<Integer, Set<Integer>> getNodeMembership(Hashtable<Integer, Set<Integer>> nIDComVH,
        final Vector<Set<Integer>> cmtyVV) {
    for (int i = 0; i < cmtyVV.size(); i++) {
        int CID = i;
        for (Integer NID : cmtyVV.get(i)) {
            if (nIDComVH.containsKey(NID)) {
                Set<Integer> x = nIDComVH.get(NID);
                x.add(CID);
            } else {
                Set<Integer> x = new HashSet<Integer>();
                x.add(CID);/*  w ww  . ja va  2 s .  co  m*/
                nIDComVH.put(NID, x);
            }

        }
    }
    return nIDComVH;
}

From source file:Main.java

public static Set<String> loadSet(SharedPreferences prefs, String setName) {
    final int size = prefs.getInt(setName + "_size", 0);
    Set<String> set = new HashSet<String>(size);
    for (int i = 0; i < size; i++)
        set.add(prefs.getString(setName + "_" + i, null));
    return set;//from  w w  w  .jav a2 s. c  om
}

From source file:Main.java

public static <T> LinkedHashSet<T> getDuplicates(final Iterable<T> iterable) {
    LinkedHashSet<T> duplicates = new LinkedHashSet<>();
    Set<T> dupeChecker = new LinkedHashSet<>();
    iterable.forEach((m) -> {//from w  w  w.  jav  a  2s. c  om
        if (!dupeChecker.add(m)) {
            duplicates.add(m);
        }
    });
    return duplicates;
}