Example usage for java.util Collection contains

Introduction

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

Prototype

boolean contains(Object o);

Source Link

Document

Returns true if this collection contains the specified element.

Usage

From source file:PlanetSet.java

public static void main(String args[]) {
    String names[] = { "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune", "Pluto" };
    Collection planets = new ArrayList();
    for (int i = 0, n = names.length; i < n; i++) {
        planets.add(names[i]);//from  w w  w  .j a  v  a  2s .  c o m
    }
    String s[] = (String[]) planets.toArray(new String[0]);
    for (int i = 0, n = s.length; i < n; i++) {

        System.out.println(s[i]);
    }
    planets.remove(names[3]);
    System.out.println(names[1] + " " + planets.contains(names[1]));
    System.out.println(names[3] + " " + planets.contains(names[3]));
}

From source file:Main.java

public static boolean isElement(String e, Collection<String> c) {
    if (c.contains(e))
        return true;
    else//from ww  w . j a v  a2 s.  co  m
        return false;
}

From source file:Main.java

public static Object ifNotIn(Object o, Collection c, Object alternative) {
    return c.contains(o) ? o : alternative;
}

From source file:Main.java

private static boolean nodeNameMatch(Node node, Collection<?> desiredNames) {
    return (desiredNames.contains(node.getNodeName()) || desiredNames.contains(node.getLocalName()));
}

From source file:Main.java

public static boolean contains(Collection collection, Long object) {
    return collection.contains(object);
}

From source file:Main.java

public static <T> void add_new(Collection<T> target, T element) {
    if (!(target.contains(element)))
        target.add(element);/*from   w  w  w .  j a v  a 2  s . c o m*/
}

From source file:Main.java

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

From source file:Main.java

public static <T> boolean allContains(final T element, final Collection<T>... colls) {
    for (final Collection<T> coll : colls)
        if (!coll.contains(element))
            return false;
    return true;/*from  ww  w  . j a v a2  s  .c o  m*/
}

From source file:Main.java

private static boolean nodeNameMatch(Node node, Collection desiredNames) {
    return (desiredNames.contains(node.getNodeName()) || desiredNames.contains(node.getLocalName()));
}

From source file:Main.java

public static <K> boolean isIntersectingWith(Collection<K> a, Collection<K> b) {

    for (K v : a) {
        if (b.contains(v))
            return true;
    }//from  ww w .  j  ava  2 s  .co m
    return false;

}