java enum

public class Test { 
    public static void main(String args[]) { 
        System.out.println(CoffeeSize.BIG == CoffeeSize.BIG); 
    } 
} 
enum CoffeeSize { 
    // 8, 10 & 16 are passed to the constructor  
    BIG(8), HUGE(10), OVERWHELMING(16); 
    CoffeeSize(int ounces) { // constructor  
        this.ounces = ounces; 
        System.out.println(ounces); 
    } 
    private int ounces; // an instance variable  
    public int getOunces() { 
        return ounces; 
    } 
}