diff --git a/core-java-modules/core-java-streams-3/src/main/java/com/baeldung/streams/parallel/FileSearchCost.java b/core-java-modules/core-java-streams-3/src/main/java/com/baeldung/streams/parallel/FileSearchCost.java
new file mode 100644
index 0000000000..a3d850dd66
--- /dev/null
+++ b/core-java-modules/core-java-streams-3/src/main/java/com/baeldung/streams/parallel/FileSearchCost.java
@@ -0,0 +1,60 @@
+package com.baeldung.streams.parallel;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+import org.apache.commons.io.FileUtils;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+
+@State(Scope.Benchmark)
+public class FileSearchCost {
+
+	private final static String FILE_NAME = "src/main/resources/Test";
+
+	@Setup(Level.Trial)
+	public void setup() throws IOException {
+		for (int i = 0; i < 1500; i++) {
+			File targetFile = new File(FILE_NAME + i);
+			FileUtils.writeStringToFile(targetFile, "Test", "UTF8");
+		}
+	}
+
+	@TearDown(Level.Trial)
+	public void tearDown() {
+		for (int i = 0; i < 1500; i++) {
+			File fileToDelete = new File(FILE_NAME + i);
+			fileToDelete.delete();
+		}
+	}
+
+	@Benchmark
+	@BenchmarkMode(Mode.AverageTime)
+	@OutputTimeUnit(TimeUnit.NANOSECONDS)
+	public static void textFileSearchSequential() throws IOException {
+		Files.walk(Paths.get("src/main/resources/")).map(Path::normalize).filter(Files::isRegularFile)
+				.filter(path -> path.getFileName().toString().endsWith(".txt")).collect(Collectors.toList());
+	}
+
+	@Benchmark
+	@BenchmarkMode(Mode.AverageTime)
+	@OutputTimeUnit(TimeUnit.NANOSECONDS)
+	public static void textFileSearchParallel() throws IOException {
+		Files.walk(Paths.get("src/main/resources/")).parallel().map(Path::normalize).filter(Files::isRegularFile)
+				.filter(path -> path.getFileName().toString().endsWith(".txt")).collect(Collectors.toList());
+	}
+
+}
+