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:Main.java

public static boolean contains(Collection col, Object obj) {
    return ((obj != null && col != null) ? col.contains(obj) : false);
}

From source file:Main.java

public static String suggest(Collection c, String prefix) {
    int i = 1;//www .j  a v  a  2  s  .  c o m
    while (c.contains(prefix + i))
        i++;
    return prefix + i;
}

From source file:Main.java

public static <T> boolean isSubsetOf(Collection<T> subset, Collection<T> superSet) {
    for (T t : subset) {
        if (!superSet.contains(t)) {
            return false;
        }/*  w ww.  j  a v  a 2  s .  co  m*/
    }
    return true;
}

From source file:Main.java

public static boolean isSubset(Collection<?> subset, Collection<?> of) {
    for (Object obj : subset) {
        if (!of.contains(obj)) {
            return false;
        }/*from w  ww  . j  a v a2  s.  c om*/
    }

    return true;
}

From source file:com.creditcloud.common.taglib.Functions.java

/**
 * ????//from   w w w . j av a  2 s .c  om
 * 
 * @param all
 * @param item
 * @return 
 */
public static boolean contains(Collection all, Object item) {
    return all.contains(item);
}

From source file:Main.java

public static <T> Collection<T> merge(Collection<T> c1, Collection<T> c2) {
    for (T e : c2) {
        if (!c1.contains(e)) {
            c1.add(e);//from w w  w.ja va 2 s.com
        }
    }
    return c1;
}

From source file:Main.java

public static <T> void addIfNotNullNotExist(Collection<T> col, T val) {
    if (val != null && !col.contains(val)) {
        col.add(val);
    }/* ww w  .jav a2  s .c  o  m*/
}

From source file:Main.java

public static boolean containsAny(Collection all, Collection keys) {
    for (Object key : keys) {
        if (all.contains(key)) {
            return true;
        }//  w  ww .  j  a  va  2  s  .  c o m
    }
    return false;
}

From source file:Main.java

public static <E> boolean includedElements(Collection<E> c1, Collection<E> c2) {
    for (E e : c1) {
        if (!c2.contains(e))
            return false;
    }/*  w  w  w.j  av a  2  s . c o m*/

    return true;
}

From source file:Main.java

final static public boolean contains(Collection collection, Object item) {
    return collection != null && collection.contains(item);
}