Example usage for java.util Map isEmpty

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this map contains no key-value mappings.

Usage

From source file:Main.java

public static boolean notEmptyAndNull(Map<?, ?> values) {
    return values != null && !values.isEmpty();
}

From source file:Main.java

/**
 * Null-safe check if the specified collection is empty.
 * //w w w  .jav  a  2  s  .  c  o m
 * @param coll  the collection to check, may be null
 * @return true if empty or null
 */
public static boolean isEmpty(Map<?, ?> coll) {
    return (coll == null || coll.isEmpty());
}

From source file:Main.java

public static boolean isNullOrNothing(final Map map) {
    return map == null || map.isEmpty();
}

From source file:Main.java

public static <K, V> Map<K, V> copyNullSafeHashMapWithNullValues(Map<? extends K, ? extends V> map) {
    if (map.isEmpty()) {
        return Collections.emptyMap();
    }//from w  w w .j a v  a2s  . co m
    return Collections.unmodifiableMap(copyNullSafeMutableHashMapWithNullValues(map));
}

From source file:Main.java

public static boolean isNotEmpty(Map<?, ?> map) {
    return map != null && !map.isEmpty();
}

From source file:Main.java

public static boolean isNotEmpty(Map<?, ?> map) {
    if (map != null && !map.isEmpty() && map.size() > 0) {
        return true;
    } else {//from ww w . ja v a 2 s . c  om
        return false;
    }
}

From source file:Main.java

public static boolean isNullOrEmpty(final Map<?, ?> m) {
    return m == null || m.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Map<?, ?> map) {

    if (null == map || map.isEmpty() || map.size() <= 0)
        return true;
    return false;
}

From source file:Main.java

public static <K, V> Map<K, V> copyNullSafeHashMap(Map<? extends K, ? extends V> map) {
    if (map.isEmpty()) {
        return Collections.emptyMap();
    }/*from   ww w .ja  v  a  2  s . c  om*/
    return Collections.unmodifiableMap(copyNullSafeMutableHashMap(map));
}

From source file:Main.java

public static boolean isEmpty(Map<?, ?> list) {
    return list == null || list.isEmpty();
}