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<?> collection) {
    return (collection == null || collection.isEmpty());
}

From source file:Main.java

public static boolean isEmpty(Collection collection) {
    return ((collection == null) || collection.isEmpty());
}

From source file:Main.java

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

From source file:Main.java

@SuppressWarnings("rawtypes")
public static boolean isEmpty(Collection collection) {
    return (collection == null || collection.isEmpty());
}

From source file:Main.java

public static boolean isEmpty(Collection<?> c) {

    return c == null || c.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Collection<?> collection) {
    if (collection == null || collection.isEmpty())
        return true;
    return false;
}

From source file:Main.java

public static <T> Set removeRepetition(Collection<T> ts) {
    if (ts == null || ts.isEmpty()) {
        return Collections.emptySet();
    }//from   ww w  . jav a 2 s. co  m
    Map<T, Object> map = new LinkedHashMap();
    for (T t : ts) {
        if (!map.containsKey(t)) {
            map.put(t, -1);
        }
    }
    Set<T> set = map.keySet();
    return set;
}

From source file:Main.java

public static boolean isEmpty(Collection collection) {
    return (collection == null || collection.isEmpty()) ? true : false;
}

From source file:Main.java

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

From source file:Main.java

public static boolean empty(Collection<?> c) {
    return c == null || c.isEmpty();
}