## 官网

[fess.codelibs.org](https://fess.codelibs.org/)

## 问题/疑问

[discuss.codelibs.org](https://discuss.codelibs.org/c/FessEN/)

## 入门

您可以通过两种方式尝试 Fess。第一种是自行下载并安装，第二种是使用 [Docker](https://www.docker.com/products/docker-engine)。

### 下载并安装/运行

import java.util.Iterator;
import java.util.Spliterator;
import java.util.function.Predicate;
import org.jspecify.annotations.Nullable;

/**
 * GWT emulated version of {@link ImmutableCollection}.
 *
 * @author Jesse Wilson
 */
@SuppressWarnings("serial") // we're overriding default serialization
public abstract class ImmutableCollection<E> extends AbstractCollection<E> implements Serializable {
  static final int SPLITERATOR_CHARACTERISTICS =

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testStaticNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(CharMatcher.class);
    tester.testAllPublicInstanceMethods(CharMatcher.any());
    tester.testAllPublicInstanceMethods(CharMatcher.anyOf("abc"));
  }

  private static final CharMatcher WHATEVER =
      new CharMatcher() {

  @J2ktIncompatible
  @GwtIncompatible // com.google.common.testing.NullPointerTester
  public void testNullPointer() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicConstructors(MediaType.class);
    tester.testAllPublicStaticMethods(MediaType.class);
    tester.testAllPublicInstanceMethods(MediaType.parse("text/plain"));
  }

  public void testToString() {

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.Set;

/**
 * Thrown when requirements on a tester method or class conflict with each other.
 *
 * @author George van den Driessche
 */
@GwtCompatible
public class ConflictingRequirementsException extends Exception {
  private final Set<Feature<?>> conflicts;

## 웹사이트

[fess.codelibs.org](https://fess.codelibs.org/)

## 문제/질문

[discuss.codelibs.org](https://discuss.codelibs.org/c/FessEN/)

## 시작하기

Fess를 사용해보는 방법은 두 가지가 있습니다. 첫 번째는 직접 다운로드하여 설치하는 방법이며, 두 번째는 [Docker](https://www.docker.com/products/docker-engine)를 사용하는 방법입니다.

### 다운로드 및 설치/실행

public class AbstractSetTester<E> extends AbstractCollectionTester<E> {
  /*
   * Previously we had a field named set that was initialized to the value of
   * collection in setUp(), but that caused problems when a tester changed the
   * value of set or collection but not both.
   */
  protected final Set<E> getSet() {
    return (Set<E>) collection;
  }

@GwtCompatible
@NullMarked
public class ObjectArraysTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ObjectArrays.class);
  }

  @GwtIncompatible // ObjectArrays.newArray(Class, int)
  public void testNewArray_fromClass_empty() {

import com.google.common.collect.Multimap;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import org.junit.Ignore;

/**
 * Tester for {@link Multimap#containsValue}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tester to ensure forwarding wrapper works by delegating calls to the corresponding method with
 * the same parameters forwarded and return value forwarded back or exception propagated as is.
 *
 * <p>For example:
 *
 * {@snippet :