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 <T> void setAddAll(Set<T> set, T[] array) {
    for (T t : array)
        set.add(t);
}

From source file:Main.java

private static Set<Integer> checkDuplicate(int[] intArray) {
    Set<Integer> duplicates = new HashSet<Integer>();
    Set<Integer> tmp = new HashSet<Integer>();
    for (Integer i : intArray) {
        if (!tmp.add(i)) {
            duplicates.add(i);// w w  w . j  ava2 s.  c  o m
        }
    }
    return duplicates;
}

From source file:Main.java

public static Set<String> getExpectedDoorNames() {
    Set<String> expectedDoors = new HashSet<>();
    expectedDoors.add(DOOR1_NAME);
    expectedDoors.add(DOOR2_NAME);/*from w  w  w  . ja  va  2s  .c  o m*/
    expectedDoors.add(DOOR3_NAME);
    return expectedDoors;
}

From source file:Main.java

public static <K, V> void addToMap(K key, V value, Map<K, Set<V>> map) {

    if (key != null && value != null)
        if (map.containsKey(key))
            map.get(key).add(value);/*from  w  ww . j  a  v  a2  s.c o  m*/
        else {
            Set<V> values = new TreeSet<V>();
            values.add(value);
            map.put(key, values);
        }
}

From source file:Main.java

public static <K, V> boolean add(Map<K, Set<V>> map, K key, V value) {
    Set<V> set = getSet(map, key);
    return set.add(value);
}

From source file:Main.java

public static <T> void arrayToSet(Set<T> set, T[] array) {
    for (T t : array) {
        set.add(t);
    }
}

From source file:Main.java

public static <T> Set<T> toSet(T... arr) {
    Set<T> set = new HashSet<T>();
    for (T t : arr)
        set.add(t);
    return set;//from   w w  w. j  a v a 2s  . c  o  m
}

From source file:Main.java

public static Map<Integer, Set<Class<?>>> simpleParameterClasses(final Class<?>... classes) {
    final Map<Integer, Set<Class<?>>> res = new HashMap<>(classes.length);
    for (int i = 0; i < classes.length; i++) {
        final Set<Class<?>> set = new HashSet<>(1);
        set.add(classes[i]);
        res.put(i, set);/*from w w  w .ja v a 2s .  c om*/
    }
    return res;
}

From source file:Main.java

public static void filterSets() {
    Set<String> words = new HashSet<>();
    words.add("1");
    words.add("2");
    words.add("3");
    Set<String> filteredSet = Sets.filter(words, new Predicate<String>() {
        @Override//from ww  w.j a  v a 2s.c om
        public boolean apply(String input) {
            return input.equals("1");
        }
    });

    System.out.println(Iterables.toString(filteredSet));

}

From source file:Main.java

public static Set setWith(Object firstElement, Object secondElement, Object thirdElement) {
    Set set = setWith(firstElement, secondElement);
    set.add(thirdElement);
    return set;//from   w ww.j a  v  a2 s .  co m
}