Java. Enumeration

public class T2 {

	// Using the enumeration type declared by enum is equivalent to defining a class; this class inherits the class Enum by default
	public static void main(String[] args) {
		
		//Color.values(); returns all enumerated objects
		for (Color1 c : Color1.values()) {
			System.out.println(c.ordinal() + " " + c.getName());
		}
	}
}

enum Color1 {
	RED("red"), BLUE("blue"), GREEN("green");//This constructor must be called when declaring an enumeration
	private String name;

	private Color1(String name) {
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}

public class T6 {
	//Let the enumeration class implement an interface
	public static void main(String[] args) {
		for(Color8 c : Color8.values()){
			System.out.println(c.getColor());
		}
	}
}

interface Print{
	String getColor();
}

enum Color8 implements Print{
	
	RED{
		public String getColor() {
			return "red";
		}
	},
	
	GREEN{
		public String getColor() {
			return "green";
		}
	},
	
	BLUE{
		public String getColor() {
			return "blue";
		}
	};