/**
     * Test method for
     * {@link org.codelibs.core.collection.CollectionsUtil#isEmpty(java.util.Collection)}
     * .
     */
    @Test
    public void testIsEmptyCollectionOfQ() {
        Collection<String> c = null;
        assertThat(CollectionsUtil.isEmpty(c), is(true));
        c = new ArrayList<String>();
        assertThat(CollectionsUtil.isEmpty(c), is(true));
    }

    /**
     * Test method for

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.beans.factory;

import static org.codelibs.core.collection.CollectionsUtil.newConcurrentHashMap;
import static org.codelibs.core.collection.CollectionsUtil.putIfAbsent;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.util.concurrent.ConcurrentMap;

import org.codelibs.core.beans.BeanDesc;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.text;

import static org.codelibs.core.collection.CollectionsUtil.newConcurrentHashMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.text.DecimalFormatSymbols;
import java.util.Locale;
import java.util.Map;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.lang;

import static org.codelibs.core.collection.CollectionsUtil.newHashMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.annotation.Annotation;
import java.util.Map;

import org.codelibs.core.beans.BeanDesc;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.misc;

import static org.codelibs.core.collection.CollectionsUtil.newLinkedList;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.beans.Introspector;
import java.util.Deque;

/**

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

import static org.codelibs.core.collection.CollectionsUtil.newHashMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.util.Enumeration;
import java.util.Locale;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.collection;

import static org.codelibs.core.collection.CollectionsUtil.newArrayList;
import static org.codelibs.core.collection.IndexedIterator.indexed;
import static org.codelibs.core.io.LineIterator.iterable;
import static org.hamcrest.CoreMatchers.is;

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.net;

import static org.codelibs.core.collection.ArrayUtil.asArray;
import static org.codelibs.core.collection.CollectionsUtil.newHashMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.File;
import java.io.IOException;