import java.util.Properties;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.net.URLUtil;

/**
 * Utility class for {@link Properties} operations.
 *
 * @author higa
 */
public abstract class PropertiesUtil {

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

    /**

import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;

import java.lang.reflect.Array;
import java.util.List;

import org.junit.Test;

/**
 * @author higa
 *
 */
public class ArrayUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void testAsArray() throws Exception {

import java.util.NoSuchElementException;

import org.codelibs.core.exception.ClIndexOutOfBoundsException;
import org.codelibs.core.io.SerializeUtil;
import org.junit.Test;

/**
 * @author higa
 */
public class SLinkedListTest {

    private final SLinkedList<String> list = new SLinkedList<String>();

    /**
     * @throws Exception
     */
    @Test

import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import org.codelibs.core.misc.LocaleUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @author higa
 */
public class TimeConversionUtilTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After

 * Number types, collections, and classes in the org.codelibs package. For custom
 * requirements, use the overloaded methods that accept a custom filter.
 * </p>
 *
 * @author higa
 */
public abstract class SerializeUtil {

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

    private static final int BYTE_ARRAY_SIZE = 8 * 1024;

    /**

La primera parte de la función, antes del `yield`, será ejecutada **antes** de que la aplicación comience.

Y la parte después del `yield` será ejecutada **después** de que la aplicación haya terminado.

### Async Context Manager { #async-context-manager }

Si revisas, la función está decorada con un `@asynccontextmanager`.

Eso convierte a la función en algo llamado un "**async context manager**".

import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;

import java.lang.reflect.Method;

import org.junit.Test;

/**
 * @author higa
 *
 */
public class StringUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void testReplace() throws Exception {

import org.codelibs.core.lang.FieldUtil;
import org.codelibs.core.lang.MethodUtil;
import org.codelibs.core.lang.ModifierUtil;

/**
 * Implementation class of {@link PropertyDesc}.
 *
 * @author higa
 */
public class PropertyDescImpl implements PropertyDesc {

    private static final Object[] EMPTY_ARGS = new Object[0];

    private final String propertyName;

    private final Class<?> propertyType;

import org.codelibs.core.exception.ClIllegalArgumentException;
import org.codelibs.core.message.MessageFormatter;
import org.codelibs.core.misc.DisposableUtil;

/**
 * Logger interface.
 *
 * @author higa
 */
public class Logger {

    /**
     * Log output levels.
     */
    public enum LogLevel {
        /** Debug */
        DEBUG,
        /** Info */
        INFO,
        /** Warning */

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.lang.reflect.Array;
import java.util.NoSuchElementException;

/**
 * Linked list for Seasar2.
 *
 * @author higa
 * @param <E> the element type
 */
public class SLinkedList<E> implements Cloneable, Externalizable {

    static final long serialVersionUID = 1L;

    private transient Entry header = new Entry(null, null, null);