LAB 3.4: Aggregation vs Composition PROGRAM 4 // Java Program to Illustrate Difference between Aggregation and Composition // Class 1 // Engine class which will be used by car // and Car class will have a field/attribute of Engine type. class Engine { // Method to starting an engine public void work () { System.out.println("Engine of car has been started "); } } // Class 2 // Engine class class Car ( // Composition private Engine engine; // Constructor Car (Engine engine) { this.engine engine; } public void move () { // Class 3 // Main class engine.work(); System.out.println("Car is moving "); } } public class Main( public static void main(String[] args) { // Making an engine by creating // an instance of Engine class. Engine engine new Engine(); // Making a car with engine // passing a engine instance as an argument // while creating instance of Car Car car // Making car to move //by calling move () method inside main() car.move(); }} new Car (engine); 1. Compile and run the program to get the output. Explain the output. 2. Draw the UML class diagram relationships for the program.

Create a simple  IPO chart  that enters an individual's year of birth and the present year and calculate and return the individual's current age

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