checker/tests/nullness/java8/lambda/Issue870.java

// Test case for issue #870: https://github.com/typetools/checker-framework/issues/870

import java.util.stream.Stream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class Issue870 {
  public static Stream<? extends ZipEntry> entries(ZipFile zipFile) {
    return zipFile.stream()
        .filter(entry -> !entry.isDirectory() && entry.getName().endsWith(".xml"));
  }

  public static Stream<? extends ZipEntry> entries2(ZipFile zipFile) {
    return zipFile.stream()
        .filter((ZipEntry entry) -> !entry.isDirectory() && entry.getName().endsWith(".xml"));
  }
}