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

/**
 * Utility class for object operations.
 *
 * @author wyukawa
 */
public abstract class ObjectUtil {

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

    /**

        } finally {
            Files.deleteIfExists(tempFile);
        }
    }

    public void test_constructor_isProtected() {
        // Verify that ThreadDumpUtil has a protected constructor (utility class pattern)
        try {
            Constructor<ThreadDumpUtil> constructor = ThreadDumpUtil.class.getDeclaredConstructor();

/**
 * Utility class for SMB file copy operations.
 * Provides methods for efficient server-side copying using SMB2 IOCTL operations.
 *
 * @author mbechler
 *
 */
public final class SmbCopyUtil {

    private static final Logger log = LoggerFactory.getLogger(SmbCopyUtil.class);

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private SmbCopyUtil() {

import jcifs.SmbResourceLocator;

@ExtendWith(MockitoExtension.class)
class SmbEnumerationUtilTest {

    @Mock
    SmbFilenameFilter fnf;

    @Mock
    SmbFileFilter ff;

    // Utility to create a private inner class instance reflectively
    private static Object newPrivateInner(String simpleName, Class<?>[] paramTypes, Object... args) {
        try {

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterators;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

/** Utility methods used in various common.graph tests. */
@NullUnmarked
final class TestUtil {
  static final String ERROR_ELEMENT_NOT_IN_GRAPH = "not an element of this graph";
  static final String ERROR_NODE_NOT_IN_GRAPH =

 *
 * <p>Note that although your APIs should be liberal in what they accept, your methods which
 * <i>return</i> iterables should make every attempt to return ones of the robust variety.
 *
 * <p>This testing utility is not thread-safe.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
public final class MinimalIterable<E extends @Nullable Object> implements Iterable<E> {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Utility class for parsing CSV text
 */
public final class KuromojiCSVUtil {
    private static final char QUOTE = '"';

    private static final char COMMA = ',';

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.internal.util;

/**
 * Utility class providing string manipulation methods for the jCIFS library.
 * Contains helper methods for string operations, including backported JDK functionality
 * for compatibility with older Java versions.
 */

package jcifs.util;

import java.util.regex.Pattern;

/**
 * Comprehensive input validation utility for SMB protocol implementation.
 * Provides validation methods to prevent buffer overflows, injection attacks,
 * and other security vulnerabilities.
 */
public final class InputValidator {

    private InputValidator() {
        // Utility class
    }

    // Maximum sizes for various SMB fields (based on protocol specifications)

import java.lang.reflect.Field;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.WeakHashMap;
import org.jspecify.annotations.Nullable;

/**
 * Utility methods for working with {@link Enum} instances.
 *
 * @author Steve McKay
 * @since 9.0
 */
@GwtIncompatible
@J2ktIncompatible
public final class Enums {

  private Enums() {}

  /**