Example usage for java.util Collection add

Introduction

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

Prototype

boolean add(E e);

Source Link

Document

Ensures that this collection contains the specified element (optional operation).

Usage

From source file:Main.java

public static <E> Collection<E> including(Collection<E> collection, E object) throws Exception {

    collection.add(object);

    return collection;
}

From source file:Main.java

public static <T> void addIfNotExist(T item, Collection<T> col) {
    if (!col.contains(item)) {
        col.add(item);
    }/* w ww.  jav  a  2  s.c  om*/
}

From source file:Main.java

public static <T> void addItemSafely(Collection<T> collection, T item) {
    if (item != null) {
        collection.add(item);
    }/*from   w  ww.j  a v  a 2s .c o m*/
}

From source file:Main.java

public static <T> Collection<T> collectionEnumerationElements(Enumeration<T> source, Collection<T> target) {
    while (source.hasMoreElements()) {
        target.add(source.nextElement());
    }//w w w  . j a  va  2s  . c  om

    return target;
}

From source file:Main.java

public static <T> void add_new(Collection<T> target, T element) {
    if (!(target.contains(element)))
        target.add(element);
}

From source file:Main.java

protected static void fillAllDescendants(Container c, Class findClass, boolean deep, Collection results) {
    if (findClass.isInstance(c)) {
        results.add(c);
        if (!deep)
            return;
    }/*w w w.j  ava 2  s  . c  om*/
    for (int i = 0; i < c.getComponentCount(); i++) {
        Component comp = c.getComponent(i);
        if (comp instanceof Container)
            fillAllDescendants((Container) comp, findClass, deep, results);
    }
}

From source file:Main.java

public static <T> void copy(Collection<T> dest, Collection<? extends T> src) {
    for (T t : src) {
        dest.add(t);
    }/*from   ww  w.  ja v  a  2 s.com*/
}

From source file:Main.java

final static public Collection createCollection(Object object) {
    Collection collection = createCollection();
    collection.add(object);
    return collection;
}

From source file:Main.java

public static <T> void addIfNotNull(final Collection<T> collection, final T item) {
    if (item != null) {
        collection.add(item);
    }//from  w  w  w.ja v  a  2 s. c  o m
}

From source file:Main.java

public static <T> Collection<T> union(Collection<T> set1, Collection<T> set2) {
    Collection<T> union = new ArrayList<T>();
    for (T t : set1) {
        union.add(t);
    }// w  ww  .  ja va 2  s .  c  o m
    for (T t : set2) {
        union.add(t);
    }
    return union;
}