class GoodSandwich {
	private String name;
	private double cost;
	private boolean diet;

	void print() {
		System.out.println("Name: " + name + ", Cost: " + cost);
		System.out.println("Diet: " + diet);
		System.out.println("");
	}

	void init(String nameIn, double costIn, boolean dietIn) {
		name = nameIn;
		cost = costIn;
		diet = dietIn;
	}

	void changeParameters(String nameIn, double costIn, boolean dietIn) {
		nameIn = new String("Changed");
		costIn = 345.56;
		dietIn = false;
	}
}

public class ParameterExample {
	public static void main(String[] args) {
		GoodSandwich s = new GoodSandwich();

		String nameOfSandwich = new String("HamCheese");
		double minimumCost = 2.50;
		boolean dietSandwich = true;

		System.out.println("First Initialization");
		s.init(nameOfSandwich, minimumCost, dietSandwich);
		s.print();

		// using expression and boolean literal
		System.out.println("Second Initialization");
		s.init(nameOfSandwich, 2 * minimumCost, true);
		s.print();

		// passing by value therefore arguments will not change
		System.out.println("Modification of parameters");
		s.changeParameters(nameOfSandwich, minimumCost, dietSandwich);
		System.out.println(nameOfSandwich);
		System.out.println(minimumCost);
		System.out.println(dietSandwich);
	}
}