Добавил примеры для дебага

src/main/java/dev/struchkov/example/debugger/three/Entity.java

@@ -20,4 +20,5 @@ public class Entity {
     public String toString() {
         return field;
     }
+
 }

src/main/java/dev/struchkov/example/debugger/threenojava/Entity.java

@@ -0,0 +1,15 @@
+package dev.struchkov.example.debugger.threenojava;
+
+public class Entity {
+
+    public String field;
+
+    public Entity(String field) {
+        this.field = field;
+    }
+
+    @Override
+    public String toString() {
+        return field;
+    }
+}

src/main/java/dev/struchkov/example/debugger/threenojava/ExampleThreeNoJava.java

@@ -0,0 +1,18 @@
+package dev.struchkov.example.debugger.threenojava;
+
+public class ExampleThreeNoJava {
+
+    public static void main(String[] args) {
+        final ThirdService thirdService = new ThirdService();
+        final SecondService secondService = new SecondService(thirdService);
+        final FirstService firstService = new FirstService(secondService);
+
+        final Entity entity = new Entity("Dasha");
+        firstService.processing(entity);
+
+        System.out.println();
+        System.out.println(entity);
+        System.out.println();
+    }
+
+}

src/main/java/dev/struchkov/example/debugger/threenojava/FirstService.java

@@ -0,0 +1,26 @@
+package dev.struchkov.example.debugger.threenojava;
+
+import dev.struchkov.example.debugger.box.SurpriseException;
+
+public class FirstService {
+
+    private final SecondService secondService;
+
+    public FirstService(SecondService secondService) {
+        this.secondService = secondService;
+    }
+
+    public void processing(Entity entity) {
+        valid(entity.field);
+        secondService.processing(entity);
+        final String newField = entity.field;
+        entity.field = "\033[31;1;4m" + newField + "!\033[0m";
+    }
+
+    private void valid(String field) {
+        if (field.equals("Masha")) {
+            throw new SurpriseException("Ошибочка вышла");
+        }
+    }
+
+}

src/main/java/dev/struchkov/example/debugger/threenojava/SecondService.java

@@ -0,0 +1,17 @@
+package dev.struchkov.example.debugger.threenojava;
+
+public class SecondService {
+
+    private final ThirdService thirdService;
+
+    public SecondService(ThirdService thirdService) {
+        this.thirdService = thirdService;
+    }
+
+    public void processing(Entity entity) {
+        thirdService.processing(entity);
+        final String field = entity.field;
+        entity.field = "Nice to " + field;
+    }
+
+}

src/main/java/dev/struchkov/example/debugger/threenojava/ThirdService.java

@@ -0,0 +1,9 @@
+package dev.struchkov.example.debugger.threenojava;
+
+public class ThirdService {
+
+    public void processing(Entity entity) {
+        entity.field = "meet you " + entity.field;
+    }
+
+}

src/main/java/dev/struchkov/example/debugger/two/FooService.java

@@ -7,12 +7,6 @@ public class FooService {
     public void example() {
         for (int i = 0; i < 1000; i++) {
             SurpriseBox.surpriseOne(i);
-
-//            try {
-//                SurpriseBox.surpriseOne(i);
-//            } catch (SurpriseException e) {
-//                System.err.println(e.getMessage());
-//            }
         }
     }