() -> tester.instantiate(FactoryMethodReturnsNullAndAnnotated.class));
  }

  public void testInstantiate_factoryMethodAcceptsNull() throws Exception {
    assertNull(tester.instantiate(FactoryMethodAcceptsNull.class).name);
  }

  public void testInstantiate_factoryMethodDoesNotAcceptNull() throws Exception {
    assertNotNull(tester.instantiate(FactoryMethodDoesNotAcceptNull.class).name);
  }

  }

  /**
   * Instantiates {@code cls} by invoking one of its non-private constructors or non-private static
   * factory methods with the parameters automatically provided using dummy values.
   *
   * @return The instantiated instance, or {@code null} if the class has no non-private constructor
   *     or factory method to be constructed.
   */
  <T> @Nullable T instantiate(Class<T> cls)

  }

  /**
   * Instantiates {@code cls} by invoking one of its non-private constructors or non-private static
   * factory methods with the parameters automatically provided using dummy values.
   *
   * @return The instantiated instance, or {@code null} if the class has no non-private constructor
   *     or factory method to be constructed.
   */
  <T> @Nullable T instantiate(Class<T> cls)

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link JarURLConnection}.
 *
 * @author higa
 */
public abstract class JarURLConnectionUtil {

    /**
     * Do not instantiate.
     */
    protected JarURLConnectionUtil() {
    }

    /**
     * A method that wraps the exception handling of {@link JarURLConnection#getJarFile()}.
     *
     * @param conn

 */
package org.codelibs.core.convert;

/**
 * Utility class for conversions related to {@link Boolean}.
 *
 * @author higa
 */
public abstract class BooleanConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BooleanConversionUtil() {
    }

    /**
     * Converts to {@link Boolean}.
     *
     * @param o
     *            The object to convert

import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;

/**
 * Utility class for MIME types.
 *
 * @author shot
 */
public abstract class MimeTypeUtil {

    /**
     * Do not instantiate.
     */
    protected MimeTypeUtil() {
    }

    /**
     * Guesses the content type.
     *
     * @param path
     *            The path. Must not be {@literal null} or an empty string.

 *
 * @author higa
 */
public abstract class DecimalFormatSymbolsUtil {

    private static final Map<Locale, DecimalFormatSymbols> CACHE = newConcurrentHashMap();

    /**
     * Do not instantiate.
     */
    protected DecimalFormatSymbolsUtil() {
    }

    /**
     * Returns {@link DecimalFormatSymbols}.
     *
     * @return {@link DecimalFormatSymbols}
     */

import java.security.SecureRandom;

import org.codelibs.core.lang.StringUtil;

/**
 * Utility for creating UUIDs.
 *
 * @author higa
 */
public abstract class UuidUtil {

    /**
     * Do not instantiate.
     */
    protected UuidUtil() {
    }

    private static final byte[] DEFAULT_ADDRESS = new byte[] { (byte) 127, (byte) 0, (byte) 0, (byte) 1 };

import org.w3c.dom.Document;
import org.xml.sax.SAXException;

/**
 * Utility class for {@link DocumentBuilder}.
 *
 * @author higa
 */
public abstract class DocumentBuilderUtil {

    /**
     * Do not instantiate.
     */
    protected DocumentBuilderUtil() {
    }

    /**
     * Parses the XML.
     *
     * @param builder
     *            {@link DocumentBuilder}; must not be {@literal null}.
     * @param is

/**
 * Utility class for conversions related to byte arrays.
 *
 * @author higa
 */
public abstract class BinaryConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BinaryConversionUtil() {
    }

    /**
     * Converts to a {@literal byte} array.
     *
     * @param o
     *            The object to convert