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() {
        @Override
        public boolean matches(char c) {

                return StringUtil.EMPTY;
            }
            final StringBuilder buf = new StringBuilder(initialCapacity);
            boolean isSpace = false;
            int alphanumSize = 0;
            int symbolSize = 0;
            int c;
            final Set<String> termCache = new HashSet<>(1000);
            try {
                while ((c = reader.read()) != -1) {

And then the new OpenAPI 3.1.0 was based on the latest version (JSON Schema 2020-12) that included this new field `examples`.

And now this new `examples` field takes precedence over the old single (and custom) `example` field, that is now deprecated.

@NullMarked
public abstract class TestStringCollectionGenerator implements TestCollectionGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override
  public Collection<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

@NullMarked
public abstract class TestStringQueueGenerator implements TestQueueGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override
  public Queue<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

    @Subscribe
    public abstract void overriddenInSubclass(Object o);
  }

  static class SubClass extends SuperClass {
    final List<Object> overriddenAndAnnotatedInSubclassEvents = new ArrayList<>();
    final List<Object> overriddenInSubclassEvents = new ArrayList<>();

    @Subscribe
    @Override
    public void overriddenAndAnnotatedInSubclass(Object o) {
      overriddenAndAnnotatedInSubclassEvents.add(o);
    }

    @Subscribe
    public abstract void overriddenInSubclass(Object o);
  }

  static class SubClass extends SuperClass {
    final List<Object> overriddenAndAnnotatedInSubclassEvents = new ArrayList<>();
    final List<Object> overriddenInSubclassEvents = new ArrayList<>();

    @Subscribe
    @Override
    public void overriddenAndAnnotatedInSubclass(Object o) {
      overriddenAndAnnotatedInSubclassEvents.add(o);
    }

 * @author koichik
 */
public class ZipFileUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToJarFilePath() throws Exception {
        final URL url = new URL(null, "zip:/Program Files/foo.zip!/", new URLStreamHandler() {
            @Override
            protected void parseURL(final URL u, final String spec, final int start, final int limit) {

        IncludesArtifactFilter f1 = new IncludesArtifactFilter(patterns);

        IncludesArtifactFilter f2 = new IncludesArtifactFilter(patterns);

        assertTrue(f1.equals(f2));
        assertTrue(f2.equals(f1));
        assertTrue(f1.hashCode() == f2.hashCode());

        IncludesArtifactFilter f3 = new IncludesArtifactFilter(Arrays.asList("d", "c", "e"));
        assertTrue(f1.equals(f3));

  public PackageSanityTests() {
    setDefault(
        CacheLoader.class,
        new CacheLoader<Object, Object>() {
          @Override
          public Object load(Object key) {
            return key;
          }
        });
    setDefault(LocalCache.class, new LocalCache<Object, Object>(CacheBuilder.newBuilder(), null));
    setDefault(CacheBuilder.class, CacheBuilder.newBuilder());
  }