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 <T> List<Collection<T>> splitCollection(Collection<T> col, int numLists)
        throws InstantiationException, IllegalAccessException {
    List<Collection<T>> lstReturn = new ArrayList<Collection<T>>();
    Iterator<T> iter = col.iterator();

    for (int c = 0; c < numLists; c++) {
        Collection<T> temp = col.getClass().newInstance();
        lstReturn.add(temp);/*from   w w  w  .j  a  va  2  s .c o  m*/
    }

    while (iter.hasNext()) {
        for (int collectionIndex = 0; collectionIndex < numLists; collectionIndex++) {
            if (iter.hasNext()) {
                Collection<T> current = lstReturn.get(collectionIndex);
                T value = iter.next();
                current.add(value);
            }
        }
    }

    return lstReturn;
}

From source file:Main.java

/**
 * This function filters the input collection and returns a collection of elements starting with specified input.   
 * @param coll//from w w w  .j av a2s .  c  om
 * @param str
 * @return Filtered Collection<String>
 */
public static Collection<String> startsWithString(Collection<String> coll, final String str) {
    Collection<String> list = new ArrayList<String>();
    for (String item : coll) {
        if (item.startsWith(str)) {
            list.add(item);
        }
    }
    return list;
}

From source file:Main.java

public static <T> void addAllInReverseOrder(Collection<T> destination, List<T> source) {
    for (int i = source.size() - 1; i >= 0; i--) {
        T object = source.get(i);//from ww  w  .  j  a  va2 s .  c  o  m
        destination.add(object);
    }
}

From source file:Main.java

public static <T> void addAll(Collection<T> col, T[] arr) {
    if (isEmpty(arr)) {
        return;/*ww w  .ja  va  2 s.c om*/
    }
    for (T val : arr) {
        col.add(val);
    }
}

From source file:Main.java

static Collection<URL> allSdks() throws MalformedURLException {
    URL androidSDKs = new File(System.getProperty("test.all.android.sdks.home")).toURI().toURL();
    Collection<URL> sdks = new ArrayList<URL>();
    //    sdks.add(new URL(androidSDKs, "platforms/android-1.5/"));
    sdks.add(new URL(androidSDKs, "add-ons/addon_google_apis_google_inc_3/"));
    //    sdks.add(new URL(androidSDKs, "platforms/android-1.6/"));
    sdks.add(new URL(androidSDKs, "add-ons/addon_google_apis_google_inc_4/"));
    sdks.add(new URL(androidSDKs, "platforms/android-7/"));
    sdks.add(new URL(androidSDKs, "add-ons/addon_google_apis_google_inc_7/"));
    sdks.add(new URL(androidSDKs, "platforms/android-8/"));
    sdks.add(new URL(androidSDKs, "add-ons/addon_google_apis_google_inc_8/"));
    return sdks;//from  w ww  .  j ava2 s. com
}

From source file:com.github.persapiens.jsfboot.security.AuthenticationFactory.java

private static Collection<? extends GrantedAuthority> grantedAuthorities(String... authorities) {
    Collection<SimpleGrantedAuthority> result = new HashSet<>();
    for (String authority : authorities) {
        result.add(new SimpleGrantedAuthority(authority));
    }//from   w w  w.  ja  v a  2  s.c om
    return result;
}

From source file:Main.java

/**
 * Utility for adding an iterable to a collection.
 *
 * @param t1 The collection to add to// w  w  w .  j av  a2 s .c o  m
 * @param t2 The iterable to add each item of to the collection
 * @param <T> The element type of t1
 * @return t1
 */
public static <T> Collection<T> addAll(Collection<T> t1, Iterable<? extends T> t2) {
    for (T t : t2) {
        t1.add(t);
    }
    return t1;
}

From source file:Main.java

public static <S, T> Collection<T> filter(Class<T> target, S... sourceCollection) {
    Collection<T> filtered = new ArrayList<T>();
    for (S source : sourceCollection)
        if (source.getClass() == target)
            filtered.add((T) source);
    return filtered;
}

From source file:com.talis.entity.TestUtils.java

public static void assertQuadIterablesEqual(Iterable<Quad> first, Iterable<Quad> second) {
    Collection<Quad> a = new HashSet<Quad>();
    for (Quad q : first) {
        a.add(q);
    }//  w  w w .  j  a  v a  2 s  . c o  m
    Collection<Quad> b = new HashSet<Quad>();
    for (Quad q : second) {
        b.add(q);
    }
    assertQuadCollectionsEqual(a, b);
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <S, T> Collection<T> filter(Class<T> target, Collection<S> sourceCollection) {
    Collection<T> filtered = new ArrayList<T>();
    for (S source : sourceCollection)
        if (source.getClass() == target)
            filtered.add((T) source);
    return filtered;
}