Java Extends Keyword

Author: JavaProgramTo.com

src/main/java/com/javaprogramto/keywords/extend/ClasesExtendsExamples.java

@@ -0,0 +1,28 @@
+package com.javaprogramto.keywords.extend;
+
+public class ClasesExtendsExamples {
+
+	public static void main(String[] args) {
+
+		HondaCar hondaCar = new HondaCar();
+		int noOfWheels = hondaCar.getNoOfWheels();
+		System.out.println("Honda car wheels : " + noOfWheels);
+
+	}
+}
+
+class Car {
+
+	int noOfWheels = 4;
+}
+
+class HondaCar extends Car {
+
+	public int getNoOfWheels() {
+		return this.noOfWheels;
+	}
+}
+
+class HybridCar extends Car , HondaCar{
+
+}

src/main/java/com/javaprogramto/keywords/extend/FinalClasesExtendsExamples.java

@@ -0,0 +1,28 @@
+package com.javaprogramto.keywords.extend;
+
+public class ClasesExtendsExamples {
+
+	public static void main(String[] args) {
+
+		HondaCar hondaCar = new HondaCar();
+		int noOfWheels = hondaCar.getNoOfWheels();
+		System.out.println("Honda car wheels : " + noOfWheels);
+
+	}
+}
+
+class Car {
+
+	int noOfWheels = 4;
+}
+
+class HondaCar extends Car {
+
+	public int getNoOfWheels() {
+		return this.noOfWheels;
+	}
+}
+
+class HybridCar extends Car , HondaCar{
+
+}

src/main/java/com/javaprogramto/keywords/extend/InterfaceExtendsExamples.java

@@ -0,0 +1,26 @@
+package com.javaprogramto.keywords.extend;
+
+public class InterfaceExtendsExamples {
+
+	public static void main(String[] args) {
+
+
+	}
+}
+
+
+interface Payment {
+	
+	boolean processPayment();
+	
+}
+
+interface CreditCardPayment extends Payment{
+	
+	void validateCardDetails();
+}
+
+interface UPIPayment extends Payment{
+	
+	void validateUPIAddress();
+}

src/main/java/com/javaprogramto/keywords/finals/FinalClassExample.java

@@ -14,7 +14,8 @@ public void sayHelloWorld() {
 		System.out.println("hello world");
 	}
 }
-
+/*
 class JavaProgamTo extends Java {
 
-}
+}
+*/