add instance variable hiding class

core-java/src/main/java/com/baeldung/scope/method/MethodHidingDemo.java

@@ -0,0 +1,10 @@
+package com.baeldung.scope.method;
+
+/**
+ * Created by Gebruiker on 5/6/2018.
+ */
+public class MethodHidingDemo {
+    public static void main(String[] args) {
+
+    }
+}

core-java/src/main/java/com/baeldung/scope/variable/HideVariable.java

@@ -0,0 +1,23 @@
+package com.baeldung.scope.variable;
+
+/**
+ * Created by Gebruiker on 5/6/2018.
+ */
+public class HideVariable {
+
+    private String instanceVariable = "this is instance variable";
+
+    HideVariable() {
+        instanceVariable = "constructor local variable";
+        System.out.println(instanceVariable);
+    }
+
+    public void printLocalVariable() {
+        instanceVariable = "method local variable";
+        System.out.println(instanceVariable);
+    }
+
+    public void printInstanceVariable() {
+        System.out.println(this.instanceVariable);
+    }
+}

core-java/src/main/java/com/baeldung/scope/variable/VariableHidingDemo.java

@@ -0,0 +1,12 @@
+package com.baeldung.scope.variable;
+
+/**
+ * Created by Gebruiker on 5/6/2018.
+ */
+public class VariableHidingDemo {
+    public static void main(String[] args) {
+        HideVariable variable = new HideVariable();
+        variable.printLocalVariable();
+        variable.printInstanceVariable();
+    }
+}