diff --git a/core-java/src/main/java/com/baeldung/scope/BracketScopeExample.java b/core-java/src/main/java/com/baeldung/scope/BracketScopeExample.java
new file mode 100644
index 0000000000..37ae211dcb
--- /dev/null
+++ b/core-java/src/main/java/com/baeldung/scope/BracketScopeExample.java
@@ -0,0 +1,14 @@
+package org.baeldung.variable.scope.examples;
+
+public class BracketScopeExample {
+
+    public void mathOperationExample() {
+        Integer sum = 0;
+        {
+            Integer number = 2;
+            sum = sum + number;
+        }
+        // compiler error, number cannot be solved as a variable
+        // number++;
+    }
+}
\ No newline at end of file
diff --git a/core-java/src/main/java/com/baeldung/scope/ClassScopeExample.java b/core-java/src/main/java/com/baeldung/scope/ClassScopeExample.java
index 17ca1e01eb..241c6b466e 100644
--- a/core-java/src/main/java/com/baeldung/scope/ClassScopeExample.java
+++ b/core-java/src/main/java/com/baeldung/scope/ClassScopeExample.java
@@ -9,7 +9,6 @@ public class ClassScopeExample {
     }
 
     public void anotherExampleMethod() {
-        amount--;
+        Integer anotherAmount = amount + 4;
     }
-
-}
+}
\ No newline at end of file
diff --git a/core-java/src/main/java/com/baeldung/scope/LoopScopeExample.java b/core-java/src/main/java/com/baeldung/scope/LoopScopeExample.java
index 2dd3be3333..8049a49c4d 100644
--- a/core-java/src/main/java/com/baeldung/scope/LoopScopeExample.java
+++ b/core-java/src/main/java/com/baeldung/scope/LoopScopeExample.java
@@ -12,7 +12,7 @@ public class LoopScopeExample {
         for (String name : listOfNames) {
             allNames = allNames + " " + name;
         }
-
+        // compiler error, name cannot be resolved to a variable
+        // String lastNameUsed = name;
     }
-
-}
+}
\ No newline at end of file
diff --git a/core-java/src/main/java/com/baeldung/scope/MethodScopeExample.java b/core-java/src/main/java/com/baeldung/scope/MethodScopeExample.java
index 122d12e2fc..e62c6a2a1c 100644
--- a/core-java/src/main/java/com/baeldung/scope/MethodScopeExample.java
+++ b/core-java/src/main/java/com/baeldung/scope/MethodScopeExample.java
@@ -2,15 +2,12 @@ package org.baeldung.variable.scope.examples;
 
 public class MethodScopeExample {
 
-    Integer size = 2;
-
     public void methodA() {
         Integer area = 2;
-        area = area + size;
     }
 
     public void methodB() {
-        size = size + 5;
+        // compiler error, area cannot be resolved to a variable
+        // area = area + 2;
     }
-
-}
+}
\ No newline at end of file
diff --git a/core-java/src/main/java/com/baeldung/scope/NestedScopesExample.java b/core-java/src/main/java/com/baeldung/scope/NestedScopesExample.java
index 9bd2268e52..fcd23e5ae0 100644
--- a/core-java/src/main/java/com/baeldung/scope/NestedScopesExample.java
+++ b/core-java/src/main/java/com/baeldung/scope/NestedScopesExample.java
@@ -9,5 +9,4 @@ public class NestedScopesExample {
         String title = "John Doe";
         System.out.println(title);
     }
-
-}
+}
\ No newline at end of file
diff --git a/core-java/src/main/java/com/baeldung/scope/OutOfScopeExample.java b/core-java/src/main/java/com/baeldung/scope/OutOfScopeExample.java
deleted file mode 100644
index 774095228c..0000000000
--- a/core-java/src/main/java/com/baeldung/scope/OutOfScopeExample.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.baeldung.variable.scope.examples;
-
-public class OutOfScopeExample {
-    
-    public void methodWithAVariableDeclaredInside() {
-        String name = "John Doe";
-        System.out.println(name);
-    }
-    
-    public void methodWithoutVariables() {
-        System.out.println("Pattrick");
-    }
-
-}