super keyword

core-java/src/main/java/com/baeldung/keyword/KeywordDemo.java

@@ -1,5 +1,6 @@
 package com.baeldung.keyword;
 
+import com.baeldung.keyword.superkeyword.SubClass;
 import com.baeldung.keyword.thiskeyword.ThisKeyword;
 
 /**
@@ -9,5 +10,7 @@ public class KeywordDemo {
 
     public static void main(String[] args) {
         ThisKeyword keyword = new ThisKeyword();
+
+        SubClass child = new SubClass("message from the child class");
     }
 }

core-java/src/main/java/com/baeldung/keyword/superkeyword/SubClass.java

@@ -0,0 +1,26 @@
+package com.baeldung.keyword.superkeyword;
+
+/**
+ * Created by Gebruiker on 5/15/2018.
+ */
+public class SubClass extends SuperKeyword {
+
+    String message = "child class";
+
+    public SubClass(String message) {
+        super(message);
+    }
+
+    public SubClass() {
+        super.printMessage();
+        printMessage();
+    }
+
+    public void getParentMessage() {
+        System.out.println(super.message);
+    }
+
+    public void printMessage() {
+        System.out.println(message);
+    }
+}

core-java/src/main/java/com/baeldung/keyword/superkeyword/SuperKeyword.java

@@ -4,4 +4,17 @@ package com.baeldung.keyword.superkeyword;
  * Created by Gebruiker on 5/14/2018.
  */
 public class SuperKeyword {
+
+    String message = "super class";
+
+    public SuperKeyword() {
+    }
+
+    public SuperKeyword(String message) {
+        this.message = message;
+    }
+
+    public void printMessage() {
+        System.out.println(message);
+    }
 }

core-java/src/main/java/com/baeldung/keyword/thiskeyword/ThisKeyword.java

@@ -31,8 +31,15 @@ public class ThisKeyword {
         return this;
     }
 
-    class ThiInnerClass {
+    class ThisInnerClass {
 
+        boolean isInnerClass = true;
+
+        public ThisInnerClass() {
+            ThisKeyword thisKeyword = ThisKeyword.this;
+            String outerString = ThisKeyword.this.name;
+            System.out.println(this.isInnerClass);
+        }
     }
 
     @Override