CollectInspectionTest.java

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;

import static java.util.Arrays.asList;

/**
 * @author isopov
 */
public final class CollectInspectionTest {

  private void foobar() {
    final List<Callable<Boolean>> callables = new ArrayList<>();
    final Set<String> ab = new HashSet<>(asList("a", "b"));
    final List<String> list = asList("a", "b", "c");
    for (String f : list) {
      if (!ab.contains(f)) {
        continue;
      }
      callables.add(() -> {
        System.out.println(f);
        return false;
      });
    }
  }

}