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()

Source Link

Document

Constructs a new, empty set; the backing HashMap instance has default initial capacity (16) and load factor (0.75).

Usage

From source file:Main.java

public static Set<Character> arrayToSet(char[] array) {
    Set<Character> arraySet = new HashSet<Character>();
    for (Character character : arraySet) {
        arraySet.add(character);/*from w  w  w.  j av  a 2s. c om*/
    }
    return arraySet;
}

From source file:Main.java

public static <E> Set<E> union(Set<? extends E> x, Set<? extends E> y) {
    Set<E> union = new HashSet<E>();
    union.addAll(x);//from  w w  w . j  a  v  a2  s  . co  m
    union.addAll(y);
    return union;
}

From source file:Main.java

public static <T> Set<T> newHashSet(final T... ts) {

    final Set<T> resultSet = new HashSet<T>();
    if (ts == null) {
        return new HashSet<T>();
    } else {/*from w  ww .  j  av a2 s. c o  m*/

        for (final T t : ts) {
            resultSet.add(t);
        }
    }

    return resultSet;
}

From source file:Main.java

public static String[] union(String[] arr1, String[] arr2) {
    Set<String> set = new HashSet<>();
    for (String str : arr1) {
        set.add(str);//from w ww.  j a  v a  2s  .  co m
    }
    for (String str : arr2) {
        set.add(str);
    }
    String[] result = {};
    return set.toArray(result);
}

From source file:Main.java

public static Set<Integer> randomSetRange(int min, int max, int n) {
    Set<Integer> set = new HashSet<Integer>();
    while (set.size() < n) {
        int num = (int) (Math.random() * (max - min)) + min;
        set.add(num);/*www  . ja  v  a2 s  .  co  m*/
    }
    return set;

}

From source file:Main.java

public static <T> Set<T> newSet(T... args) {
    Set<T> r = new HashSet<T>();
    for (T e : args)
        r.add(e);/*from  w ww . j a v  a  2  s.c  om*/
    return r;
}

From source file:Main.java

private static Set<String> getBlueSet(Set<Integer> numSet) {
    Set<String> blueSet = new HashSet<String>();
    for (Integer i : numSet) {
        if (i < 10 && i > 0) {
            blueSet.add("" + i);
        }/* w  ww.j  a  v a 2s .co m*/

        if (i < 7 && i > 0) {
            blueSet.add("1" + i);
        }
    }

    return blueSet;
}

From source file:Main.java

public static <T> Set<T> arrayToSet(T[] array) {
    if (array == null) {
        return new HashSet<T>();
    }//from  w  ww .  j a va 2s.  co m
    Set<T> set = new HashSet<T>();
    for (T t : array) {
        set.add(t);
    }
    return set;
}

From source file:Main.java

public static <T> Set<T> asSet(T... obj) {
    Set<T> set = new HashSet<T>();
    for (T el : obj) {
        set.add(el);// www .  j a v  a  2 s .c o  m
    }
    return set;
}

From source file:Main.java

public static <T> Set<T> asSet(T... arr) {
    Set<T> ret = new HashSet<T>();
    for (T t : arr) {
        ret.add(t);/*ww w  . ja v  a2s. com*/
    }
    return ret;
}