Class other properties

Author: Banti Shaw

Ex14ClassInheritance.class

@@ -1,17 +1,45 @@
 package JavaEntry;
 
+// Inheritance : use to inherit attributes and methods from another class.
+// Polymorphism: uses the smae methods to perform different tasks.
+
+
 class Student {
     String name = "Banti";
     String universityName = "SMU";
     void getFullName(){
         System.out.println(name + " Shaw");
     }
+    public void whichClass(){
+        System.out.println("I am in Class 10");
+    }
+}
+
+class HigherEdu extends Student {
+    public void whichClass(){
+        System.out.println("I am in Class 12");
+    }
 }
 
+class GraduateDegree extends Student {
+    public void whichClass(){
+        System.out.println("I am in College for Bachelor's Degree");
+    }
+}
+
+
+
 class Ex14ClassInheritance extends Student {  // Inherit the abstract class with the extends keyword
     public static void main(String[] args){
         Student studentObj = new Student();
         studentObj.getFullName();
         System.out.println(studentObj.universityName);
+        studentObj.whichClass();
+
+        HigherEdu higherEduObj = new HigherEdu();
+        higherEduObj.whichClass();
+        
+        GraduateDegree graduateDegreeObj = new GraduateDegree();
+        graduateDegreeObj.whichClass();
     }
 }

Ex14ClassInheritance.java

@@ -0,0 +1,26 @@
+package JavaEntry;
+
+class ParentClass {
+    int x = 10;
+    String name = "Banti";
+
+    class InnerClass {
+        int y = 20;
+        public String getName(){
+            return name;
+        }
+    }
+}
+
+
+public class Ex15ClassInner {
+    public static void main(String[] args){
+        ParentClass parenClassObj = new ParentClass();
+        ParentClass.InnerClass innerClassObj = parenClassObj.new InnerClass();
+
+        System.out.println(parenClassObj.x);
+        System.out.println(innerClassObj.y);
+        System.out.println(innerClassObj.getName());
+
+    }
+}