diff --git a/src/lab5_adapter/ex1/Engineer.java b/src/lab5_adapter/ex1/Engineer.java
new file mode 100644
index 0000000..564662a
--- /dev/null
+++ b/src/lab5_adapter/ex1/Engineer.java
@@ -0,0 +1,13 @@
+package lab5_adapter.ex1;
+
+public class Engineer {
+    private String name;
+    public Engineer(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "Engineer " + name;
+    }
+}
diff --git a/src/lab5_adapter/ex1/Machine.java b/src/lab5_adapter/ex1/Machine.java
new file mode 100644
index 0000000..1273d79
--- /dev/null
+++ b/src/lab5_adapter/ex1/Machine.java
@@ -0,0 +1,10 @@
+package lab5_adapter.ex1;
+
+public interface Machine {
+    int getNumberOfCapsules();
+    boolean isCompletelyUp();
+    void stop();
+
+    void setNumberOfCapsules(int capsules);
+    void setCompletelyUp(boolean completelyUp);
+}
diff --git a/src/lab5_adapter/ex1/MachineAdapter.java b/src/lab5_adapter/ex1/MachineAdapter.java
new file mode 100644
index 0000000..745f3db
--- /dev/null
+++ b/src/lab5_adapter/ex1/MachineAdapter.java
@@ -0,0 +1,44 @@
+package lab5_adapter.ex1;
+
+public class MachineAdapter implements NewMachineInterface {
+    private OldMachine machine;
+
+    public MachineAdapter(OldMachine machine) {
+        this.machine = machine;
+    }
+
+    @Override
+    public int getNumberOfCapsules() {
+        return machine.getNumberOfCapsules();
+    }
+
+    @Override
+    public boolean isCompletelyUp() {
+        return machine.isCompletelyUp();
+    }
+
+    @Override
+    public void stop() {
+        machine.stop();
+    }
+
+    @Override
+    public void setNumberOfCapsules(int capsules) {
+        machine.setNumberOfCapsules(capsules);
+    }
+
+    @Override
+    public void setCompletelyUp(boolean completelyUp) {
+        machine.setCompletelyUp(completelyUp);
+    }
+
+    @Override
+    public Engineer getEngineer() {
+        return null;
+    }
+
+    @Override
+    public String toString() {
+        return machine.toString() + ", supervised by engineer " + getEngineer();
+    }
+}
diff --git a/src/lab5_adapter/ex1/Main.java b/src/lab5_adapter/ex1/Main.java
new file mode 100644
index 0000000..0efac7c
--- /dev/null
+++ b/src/lab5_adapter/ex1/Main.java
@@ -0,0 +1,27 @@
+package lab5_adapter.ex1;
+
+public class Main {
+    public static void main(String[] args) {
+        Engineer engineer1 = new Engineer("Jean");
+        Engineer engineer2 = new Engineer("Maria");
+        Machine machine1 = new NewMachine("1159190947", engineer1);
+        Machine machine2 = new NewMachine("1247233941", engineer1);
+        Machine machine3 = new NewMachine("258952499", engineer2);
+        OldMachine oldMachine = new OldMachine("603742814");
+        Machine machine4 = new MachineAdapter(oldMachine);
+
+        machine1.setNumberOfCapsules(30);
+        machine2.setNumberOfCapsules(20);
+        machine3.setNumberOfCapsules(40);
+        oldMachine.setNumberOfCapsules(80);
+        //Machine 1159190947 is currently processing 30 capsules, supervised by engineer Engineer Jean
+        //Machine 1247233941 is currently processing 20 capsules, supervised by engineer Engineer Jean
+        //Machine 258952499 is currently processing 40 capsules, supervised by engineer Engineer Maria
+        //Machine 603742814 is currently processing 80 capsules, supervised by engineer null
+
+        System.out.println(machine1);
+        System.out.println(machine2);
+        System.out.println(machine3);
+        System.out.println(machine4);
+    }
+}
diff --git a/src/lab5_adapter/ex1/NewMachine.java b/src/lab5_adapter/ex1/NewMachine.java
new file mode 100644
index 0000000..2a51bb9
--- /dev/null
+++ b/src/lab5_adapter/ex1/NewMachine.java
@@ -0,0 +1,19 @@
+package lab5_adapter.ex1;
+
+public class NewMachine extends OldMachine implements NewMachineInterface {
+    private Engineer engineer;
+
+    public NewMachine(String name, Engineer engineer) {
+        super(name);
+        this.engineer = engineer;
+    }
+
+    public Engineer getEngineer() {
+        return engineer;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + ", supervised by engineer " + getEngineer();
+    }
+}
diff --git a/src/lab5_adapter/ex1/NewMachineInterface.java b/src/lab5_adapter/ex1/NewMachineInterface.java
new file mode 100644
index 0000000..186a4f9
--- /dev/null
+++ b/src/lab5_adapter/ex1/NewMachineInterface.java
@@ -0,0 +1,5 @@
+package lab5_adapter.ex1;
+
+public interface NewMachineInterface extends Machine {
+    Engineer getEngineer();
+}
diff --git a/src/lab5_adapter/ex1/OldMachine.java b/src/lab5_adapter/ex1/OldMachine.java
new file mode 100644
index 0000000..de83025
--- /dev/null
+++ b/src/lab5_adapter/ex1/OldMachine.java
@@ -0,0 +1,39 @@
+package lab5_adapter.ex1;
+
+public class OldMachine implements Machine {
+    private String name;
+    private int capsules = 0;
+    private boolean completelyUp = false;
+
+    public OldMachine(String name) {
+        this.name = name;
+    }
+
+    public void setNumberOfCapsules(int capsules) {
+        this.capsules = capsules;
+    }
+
+    public void setCompletelyUp(boolean completelyUp) {
+        this.completelyUp = completelyUp;
+    }
+
+    @Override
+    public int getNumberOfCapsules() {
+        return capsules;
+    }
+
+    @Override
+    public boolean isCompletelyUp() {
+        return completelyUp;
+    }
+
+    @Override
+    public void stop() {
+        System.out.println("Stopping machine " + name);
+    }
+
+    @Override
+    public String toString() {
+        return "Machine " + name + " is currently processing " + getNumberOfCapsules() + " capsules";
+    }
+}