Example usage for java.util Collection isEmpty

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this collection contains no elements.

Usage

From source file:Main.java

public static boolean isEmpty(Collection<?> c) {
    //      return (null != c && c.isEmpty()); // 20160616 mod 
    return (null == c || c.isEmpty());
}

From source file:Main.java

public static boolean isEmpty(Collection collection) {
    if (null == collection) {
        return true;
    } else {/*from w ww.  j a v a2s  .c  o m*/
        return collection.isEmpty();
    }
}

From source file:Main.java

/**
 * Check if collection is not <tt>null</tt> and empty
 * //ww  w . ja  v  a  2  s  .  c  o m
 * @param collection
 *          Collection to check
 * 
 * @return <tt>true</tt>, if collection is not null and empty, else <tt>false</tt>
 */
public static <T> boolean isEmpty(final Collection<T> collection) {
    return collection != null && collection.isEmpty();
}

From source file:Main.java

/**
 *
 * @param collection//from w  w  w  .j  ava 2  s.  c o  m
 * @return
 */
public static boolean isEmpty(Collection collection) {
    if (null == collection) {
        return true;
    } else if (collection.isEmpty()) {
        return true;
    }
    return false;
}

From source file:Main.java

public static boolean isEmpty(java.util.Collection<?> collection) {
    if (collection == null) {
        return true;
    }//  w  w  w  .  ja  v a 2 s.  co m
    return collection.isEmpty();
}

From source file:Main.java

/**
 * Get a child element with the specified localName. Assumption is that it
 * is in the same namespace as the specified element.
 * /*w  ww.j  a v a  2 s . c o m*/
 * @param element
 * @param localName
 * @return
 */
public static Element getElement(Element element, String localName) {
    Collection<Element> elements = getElementsByTagName(element, localName);
    if (elements.isEmpty()) {
        return null;
    } else {
        return elements.iterator().next();
    }
}

From source file:Main.java

/**
 * Null-safe check if the specified collection is empty.
 * <p>/*from  w w w. j a  v  a2  s. c  o m*/
 * Null returns true.
 *
 * @param coll  the collection to check, may be null
 * @return true if empty or null
 * @since 3.2
 */
public static boolean isEmpty(final Collection<?> coll) {
    return coll == null || coll.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Collection<?> collection) {
    if (null == collection) {
        return true;
    } else {/*w  w  w .  j  a  v a2s .c  o m*/
        return collection.isEmpty();
    }
}

From source file:com.dsh105.echopet.compat.api.plugin.ModuleLogger.java

protected static boolean nullOrEmpty(Collection<?> collection) {
    return collection == null || collection.isEmpty();
}

From source file:Main.java

/**
 * Tells if a given collection is null or empty.
 *
 * @param collection The collection to be evaluated.
 * @return {@code true} if the given collection is null or empty.
 *///from www. j  a  v  a2  s.  c o m
public static boolean isEmptyOrNull(final Collection<?> collection) {
    return collection == null || collection.isEmpty();
}