diff --git a/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/listandset/benchmark/ListAndSetAddBenchmark.java b/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/listandset/benchmark/ListAndSetAddBenchmark.java
new file mode 100644
index 0000000000..a39ff832ce
--- /dev/null
+++ b/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/listandset/benchmark/ListAndSetAddBenchmark.java
@@ -0,0 +1,56 @@
+package com.baeldung.listandset.benchmark;
+
+import org.openjdk.jmh.annotations.*;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+@BenchmarkMode(Mode.SingleShotTime)
+@Warmup(iterations = 3, time = 10, timeUnit = TimeUnit.MILLISECONDS)
+@Measurement(iterations = 3, time = 10, timeUnit = TimeUnit.MILLISECONDS)
+public class ListAndSetAddBenchmark {
+
+    public static void main(String[] args) throws IOException, RunnerException {
+        Options opt = new OptionsBuilder()
+          .include(ListAndSetAddBenchmark.class.getSimpleName())
+          .forks(1)
+          .addProfiler("gc")
+          .build();
+        new Runner(opt).run();
+
+    }
+
+    @Benchmark
+    public void addElementToArrayList(Params param, Blackhole blackhole) {
+        param.arrayList.clear();
+        for (int i = 0; i < param.addNumber; i++) {
+            blackhole.consume(param.arrayList.add(i));
+        }
+    }
+
+    @Benchmark
+    public void addElementToHashSet(Params param, Blackhole blackhole) {
+        param.hashSet.clear();
+        for (int i = 0; i < param.addNumber; i++) {
+            blackhole.consume(param.hashSet.add(i));
+        }
+    }
+
+    @State(Scope.Benchmark)
+    public static class Params {
+        public int addNumber = 10000000;
+
+        public List<Integer> arrayList = new ArrayList<>();
+        public Set<Integer> hashSet = new HashSet<>();
+    }
+
+}
diff --git a/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/listandset/benchmark/ListAndSetContainsBenchmark.java b/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/listandset/benchmark/ListAndSetContainsBenchmark.java
new file mode 100644
index 0000000000..ef19a81427
--- /dev/null
+++ b/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/listandset/benchmark/ListAndSetContainsBenchmark.java
@@ -0,0 +1,70 @@
+package com.baeldung.listandset.benchmark;
+
+import org.openjdk.jmh.annotations.*;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+@BenchmarkMode(Mode.SingleShotTime)
+@Warmup(iterations = 3, time = 10, timeUnit = TimeUnit.MILLISECONDS)
+@Measurement(iterations = 3, time = 10, timeUnit = TimeUnit.MILLISECONDS)
+public class ListAndSetContainsBenchmark {
+
+    public static void main(String[] args) throws IOException, RunnerException {
+        Options opt = new OptionsBuilder()
+          .include(ListAndSetContainsBenchmark.class.getSimpleName())
+          .forks(1)
+          .addProfiler("gc")
+          .build();
+        new Runner(opt).run();
+
+    }
+
+
+
+
+    @Benchmark
+    public void searchElementInArrayList(Params param, Blackhole blackhole) {
+
+        blackhole.consume(param.arrayList.contains(param.searchElement));
+    }
+
+    @Benchmark
+    public void searchElementInHashSet(Params param, Blackhole blackhole) {
+
+        blackhole.consume(param.hashSet.contains(param.searchElement));
+
+    }
+
+    @State(Scope.Benchmark)
+    public static class Params {
+        @Param({"5000000"})
+        public int searchElement;
+
+        @Param({"10000000"})
+        public int collectionSize;
+
+        public List<Integer> arrayList;
+        public Set<Integer> hashSet;
+
+        @Setup(Level.Iteration)
+        public void setup() {
+            arrayList = new ArrayList<>();
+            hashSet = new HashSet<>();
+            for (int i = 0; i < collectionSize; i++) {
+                arrayList.add(i);
+                hashSet.add(i);
+            }
+        }
+    }
+
+}