diff --git a/.codeclimate.yml b/.codeclimate.yml
new file mode 100644
index 0000000..8b30783
--- /dev/null
+++ b/.codeclimate.yml
@@ -0,0 +1,43 @@
+checks:
+  argument-count:
+    config:
+      threshold: 7
+  complex-logic:
+    config:
+      threshold: 4
+  file-lines:
+    config:
+      threshold: 250
+  method-complexity:
+    config:
+      threshold: 5
+  method-count:
+    config:
+      threshold: 20
+  method-lines:
+    config:
+      threshold: 35
+  nested-control-flow:
+    config:
+      threshold: 4
+  return-statements:
+    config:
+      threshold: 4
+engines:
+  duplication:
+    enabled: true
+  sonar-java:
+    enabled: true
+    channel: beta
+    checks:
+      squid:S00112: # Requires dedicated exceptions even for tests
+        enabled: false
+    config:
+      sonar.java.source: 1.8
+      tests_patterns:
+        - collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/**
+exclude_paths:
+  - build/
+  - fixtures/
+  - gradle/
+  - .gradle/
diff --git a/codeclimate.yml b/codeclimate.yml
new file mode 100644
index 0000000..27d786c
--- /dev/null
+++ b/codeclimate.yml
@@ -0,0 +1,17 @@
+---
+engines:
+  sonar-java:
+    enabled: true
+    channel: beta
+    checks:
+      squid:S00112: # Requires dedicated exceptions even for tests
+        enabled: false
+    config:
+      sonar.java.source: 1.8
+      tests_patterns:
+        - src/test/**
+exclude_paths:
+  - build/
+  - fixtures/
+  - gradle/
+  - .gradle/
diff --git a/collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/MyBaseTest.java b/collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/MyBaseTest.java
new file mode 100644
index 0000000..1902650
--- /dev/null
+++ b/collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/MyBaseTest.java	
@@ -0,0 +1,14 @@
+package flights;
+
+import lt.itakademija.exam.FlightManager;
+import lt.itakademija.exam.test.BaseTest;
+
+public class MyBaseTest extends BaseTest {
+
+	@Override
+	protected FlightManager createFlightManager() {
+		FlightManager pav = new MyFlightManager();
+		return pav;
+	}
+
+}
diff --git a/collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/MyFlightManager.java b/collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/MyFlightManager.java
new file mode 100644
index 0000000..5a1e2a8
--- /dev/null
+++ b/collection_exercises/Naujas aplankas (2)/Naujas aplankas/Naujas aplankas/Naujas aplankas/src/flights/MyFlightManager.java	
@@ -0,0 +1,104 @@
+package flights;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import lt.itakademija.exam.FlightManager;
+import lt.itakademija.exam.Passenger;
+import lt.itakademija.exam.Plane;
+import lt.itakademija.exam.SeatIsOccupiedException;
+
+public class MyFlightManager implements FlightManager {
+	private Collection<Plane> list = new ArrayList<>();
+	private Collection<Passenger> listOofPassenger = new ArrayList<>();
+
+	@Override
+	public Passenger createPassenger(String name, String last, int age) {
+		if (name == null || last == null || age <= 0) {
+			throw new NullPointerException();
+		}
+		if (name.isEmpty() || last.isEmpty()) {
+			throw new IllegalArgumentException();
+		}
+		Passenger human = new Passenger(name, last, age);
+		this.listOofPassenger.add(human);
+		return human;
+	}
+
+	@Override
+	public Plane createPlane(String id, int seats) {
+		if (id.isEmpty()) {
+			throw new IllegalArgumentException();
+		}
+
+		if (seats <= 0 || id == null) {
+			throw new IllegalArgumentException();
+		}
+		Plane planes = new Plane(id, seats);
+		this.list.add(planes);
+		return planes;
+	}
+
+	@Override
+	public double getAveragePassengerAge(String age) {
+		double avg = 0;
+		double sum = 0;
+
+		int a = this.listOofPassenger.size();
+		for (Passenger g : this.listOofPassenger) {
+			sum = sum + g.getAge();
+		}
+		avg = sum / a;
+		return avg;
+	}
+
+	@Override
+	public List<Plane> getCreatedPlanes() {
+		return (List<Plane>) this.list;
+	}
+
+	@Override
+	public Passenger getOldestPassenger(String planeId) {
+		return getPassengers(planeId).stream().max((g1, g2) -> Integer.compare(g1.getAge(), g2.getAge())).orElse(null);
+
+	}
+
+	@Override
+	public List<Passenger> getPassengers(String planeId) {
+		Plane planesId = list.stream().filter(plane -> plane.getId().contentEquals(planeId)).findAny()
+				.orElseGet(null);
+		if (planesId != null) {
+			return planesId.getPassengers();
+		}
+		return null;
+	}
+
+	@Override
+	public Plane getPlaneById(String id) {
+		if (id == null) {
+			throw new NullPointerException();
+		}
+		return this.list.stream().filter(plane -> plane.getId().equals(id)).findAny().get();
+
+	}
+
+	@Override
+	public void registerPassenger(Plane plane, int seat, Passenger passengers) throws SeatIsOccupiedException {
+		if (seat <= 0) {
+			throw new IllegalArgumentException();
+		}
+		if (plane.getId().isEmpty()) {
+			throw new NullPointerException();
+		}
+		if (plane.isSeatOccupied(seat)) {
+			throw new SeatIsOccupiedException();
+		}
+		plane.registerPassenger(seat, passengers);
+
+	}
+
+}
diff --git a/collection_exercises/fdgfdg b/collection_exercises/fdgfdg
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/collection_exercises/fdgfdg
@@ -0,0 +1 @@
+
diff --git a/masfasf.md b/masfasf.md
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/masfasf.md
@@ -0,0 +1 @@
+