BAEL-2472 code examples

core-java/src/main/java/com/baeldung/scope/ClassScopeExample.java

@@ -0,0 +1,15 @@
+package org.baeldung.variable.scope.examples;
+
+public class ClassScopeExample {
+
+    Integer amount = 0;
+
+    public void exampleMethod() {
+        amount++;
+    }
+
+    public void anotherExampleMethod() {
+        amount--;
+    }
+
+}

core-java/src/main/java/com/baeldung/scope/LoopScopeExample.java

@@ -0,0 +1,18 @@
+package org.baeldung.variable.scope.examples;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class LoopScopeExample {
+
+    List<String> listOfNames = Arrays.asList("Joe", "Susan", "Pattrick");
+
+    public void iterationOfNames() {
+        String allNames = "";
+        for (String name : listOfNames) {
+            allNames = allNames + " " + name;
+        }
+
+    }
+
+}

core-java/src/main/java/com/baeldung/scope/MethodScopeExample.java

@@ -0,0 +1,16 @@
+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;
+    }
+
+}

core-java/src/main/java/com/baeldung/scope/NestedScopesExample.java

@@ -0,0 +1,13 @@
+package org.baeldung.variable.scope.examples;
+
+public class NestedScopesExample {
+
+    String title = "Baeldung";
+
+    public void printTitle() {
+        System.out.println(title);
+        String title = "John Doe";
+        System.out.println(title);
+    }
+
+}

core-java/src/main/java/com/baeldung/scope/OutOfScopeExample.java

@@ -0,0 +1,14 @@
+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");
+    }
+
+}