Create abstract.java

JAVA-OOPS/abstract.java

+abstract class Animal {
+  abstract void makeSound();
+
+  public void eat() {
+    System.out.println("I can eat.");
+  }
+}
+
+class Dog extends Animal {
+
+  public void makeSound() {
+    System.out.println("Bark bark");
+  }
+}
+
+class Abstract {
+  public static void main(String[] args) {
+
+    Dog d1 = new Dog();
+
+    d1.makeSound();
+    d1.eat();
+  }
+}