public static void main(String[] args) { { System.out.println(“Summer”); } } { System.out.println(“Winter”); } 1 public class Car { 2 private String model = “Ford”; 3 4 { 5 System.out.println(“Instance Initializer block…”); 6 } 7 8 public Car () { 9 model = “Opel”; 10 System.out.println(“Constructor…”); 11 } 12 13 public static void main(String[] args) {…
Read More Java Instance Initializer Blockclass Vehicle { void startEngine() { System.out.println(“Starting the engine…”); } void stopEngine() { System.out.println(“Stopping the engine…”); } } class Car extends Vehicle { void move() { System.out.println(“The car is moving…”); } void invoke() { super.startEngine(); move(); super.stopEngine(); } } class TestSuper2 { public static void main(String args[]){ Car car = new Car(); car.invoke(); } }…
Read More Keyword super in Javaclass Colour { public void printColour() { System.out.println(“Colour…”); } } class Blue extends Colour { } class Test { public static void main(String[] args) { Colour colour = new Blue(); colour.printColour(); } } Output: Colour… The superclass method is called because it is not overridden in the subclass. This is okay if we don’t…
Read More Method Overriding in Javapublic ClassA { int data; public void setData(int newData) { this.data = newData; } } public ClassB { int data; public void setData(int data) { this.data = data; } } public ClassC { int data; public ClassC(int data) { // constructor this.data = data; } } public class ClassD { private int day; private int…
Read More Keyword this in Javaclass Car { public static String MODEL = “Ford”; } public class ConstructorExample { public static void main(String[] args) { System.out.println(Car.MODEL); } } Output: Ford Static methods class Car { public static String MODEL = “Ford”; public static void printModel() { System.out.println(“Model is: ” + MODEL); } } Output: Model is: Ford Read more…
Read More Keyword static in JavanameOfTheClass() {} class Car { public Car() { // constructor System.out.println(“The car is mooving!”); } public static void main(String args[]) { Car car = new Car(); // with this, we are actually calling a constructor } } Output: The car is moving! Note: The compiler automatically creates a default constructor if there is no constructor…
Read More Constructor in Javaclass ClassName { data member; method(); } class Vehicle { // data members/fields String brand; int maxSpeed; // constructor public Vehicle() { // body of the constructor } // method public void printMaxSpeed() { // body of the method } // instance initializer code block { System.out.println(“This is a code block!”); } } class Test…
Read More Objects and Classes in JavaBy following these naming conventions, your code will be consistent and easy to read, making it easier to collaborate with other developers and maintain your code over time. CamelCase in Java CamelCase is a naming convention that is commonly used in Java for naming variables, methods, and classes. It involves writing the first letter of…
Read More Mastering Java Naming Conventions for Superior Code