import java.util.Iterator;

/**
 * An iterator that implements AutoCloseable to allow resource cleanup.
 * This interface combines Iterator functionality with automatic resource management.
 *
 * @param <T> the type of elements returned by this iterator
 * @author mbechler
 */
public interface CloseableIterator<T> extends Iterator<T>, AutoCloseable {

    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()

    extendsFrom(manifestClasspath.get())
    configureAsRuntimeJarClasspath(objects)
}

tasks.jar.configure {
    val classpath = resolveManifestClasspath.flatMap { configuration ->
        configuration.elements.map { classpathDependency ->
            classpathDependency.joinToString(" ") { it.asFile.name }
        }
    }
    manifest.attributes("Class-Path-Source" to "manifestClasspath")

            )
            assertHasNoWarning()
            assertHasNoInformation()
        }
    }

    @Test
    fun `from non-null array element returning to null returning is breaking`() {

        checkNotBinaryCompatibleJava(
            v1 = """
                import java.util.List;
                public class Source {

package org.codelibs.core.collection;

import java.util.Iterator;

import org.codelibs.core.exception.ClUnsupportedOperationException;

/**
 * An empty {@link Iterator}.
 *
 * @author higa
 * @param <T> the element type
 */
public class EmptyIterator<T> implements Iterator<T> {

    /**
     * Creates an {@link EmptyIterator}.
     */
    public EmptyIterator() {
    }

    @Override
    public void remove() {

 */
package org.apache.maven.api.annotations;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * The annotated element can be {@code null}.
 *
 * @see Nonnull
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.RUNTIME)

                    collection.forEach(element -> arraySettings.add(new Tuple<>(key, element)));
                } else if (value instanceof Object[]) {
                    for (final Object element : (Object[]) value) {
                        arraySettings.add(new Tuple<>(key, element));
                    }
                } else {
                    defaultSettings.put(key, value);

      throws Exception {
    // Only start measuring table size after the first element inserted, to
    // deal with empty-map optimization.
    map1.put(0, null);

    int initialBuckets = bucketsOf(map1);

    for (int i = 1; i < size; i++) {
      map1.put(i, null);
    }
    assertWithMessage("table size after adding %s elements", size)
        .that(bucketsOf(map1))
        .isEqualTo(initialBuckets);

        assertTrue(exception.getStackTrace().length > 0);

        // Should contain this test method in stack trace
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {
            if (element.getMethodName().contains("testStackTracePreservation")) {
                foundTestMethod = true;
                break;
            }
        }
        assertTrue(foundTestMethod);

        assertNotNull(projects);
        assertTrue(
                projects.isEmpty(),
                "Expected collection to be empty but had " + projects.size() + " elements: " + projects);
    }

<img src="/img/python-types/image05.png">

Sem tipos, isso é quase impossível de alcançar.

Observe que a variável `item` é um dos elementos da lista `items`.

E, ainda assim, o editor sabe que é um `str` e fornece suporte para isso.

#### Tuple e Set { #tuple-and-set }

Você faria o mesmo para declarar `tuple`s e `set`s: