import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import org.jspecify.annotations.NullUnmarked;

// TODO(b/65488446): Make this a public API.
/** Utility method to parse the system class path. */
@NullUnmarked
final class ClassPathUtil {
  private ClassPathUtil() {}

  /**
   * Returns the URLs in the class path specified by the {@code java.class.path} {@linkplain

import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * A utility similar to {@link IteratorTester} for testing a {@link ListIterator} against a known
 * good reference implementation. As with {@code IteratorTester}, a concrete subclass must provide

 *
 * <p>{@code SettableFuture} is the recommended {@code ListenableFuture} implementation when your
 * task cannot be implemented with {@link ListeningExecutorService}, the various {@link Futures}
 * utility methods, or {@link ListenableFutureTask}. Those APIs have less opportunity for developer
 * error. If your needs are more complex than {@code SettableFuture} supports, use {@link

 */
package org.codelibs.core.io;

import static org.codelibs.core.log.Logger.format;

import java.io.Closeable;
import java.io.IOException;

import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link Closeable} operations.
 *
 * @author koichik
 */
public abstract class CloseableUtil {

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

 */
package org.codelibs.core.xml;

import javax.xml.XMLConstants;
import javax.xml.validation.SchemaFactory;

import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link SchemaFactory}.
 *
 * @author koichik
 */
public abstract class SchemaFactoryUtil {

    private static final Logger logger = Logger.getLogger(SchemaFactoryUtil.class);

    /**

    /**
     * Full caching - Read, Write and Handle (RWH)
     */
    public static final int SMB2_LEASE_FULL = 0x07;

    private Smb2LeaseState() {
        // Utility class
    }

    /**
     * Check if state has read caching
     * @param state lease state
     * @return true if read caching is enabled
     */
    public static boolean hasReadCaching(int state) {

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

import org.codelibs.core.beans.BeanDesc;
import org.codelibs.core.beans.MethodDesc;
import org.codelibs.core.beans.factory.BeanDescFactory;

/**
 * Utility class for annotations.
 *
 * @author higa
 */
public abstract class AnnotationUtil {

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

    /**

And be compatible with all of them at the same time.

///

Create a utility function to hash a password coming from the user.

And another utility to verify if a received password matches the hash stored.

And another one to authenticate and return a user.

import com.google.common.primitives.Booleans;
import com.google.errorprone.annotations.InlineMe;
import java.util.Comparator;
import org.jspecify.annotations.Nullable;

/**
 * A utility for performing a chained comparison statement. <b>Note:</b> Java 8+ users should
 * generally prefer the methods in {@link Comparator}; see <a href="#java8">below</a>.
 *
 * <p>Example usage of {@code ComparisonChain}:
 *

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.codelibs.core.exception.ClIllegalStateException;
import org.codelibs.core.exception.NoSuchAlgorithmRuntimeException;

/**
 * Utility for handling {@link MessageDigest}.
 *
 * @author higa
 * @author shinsuke
 */
public abstract class MessageDigestUtil {

    /**
     * Do not instantiate.
     */
    protected MessageDigestUtil() {