Answer to Question #235995 in Java | JSP | JSF for jerry

Question

Develop an interface called “Event” which contains Expenditure (), Prizes () are unimplemented

methods. Also include few specifications given below,

A default method called welcome_msg(),

A static method called Thank_you msg(),

Create another interface called invitation that extends Event which contains design_invitation()

as private member and display_invitation() as public method

create two customized classes called Birthday and Symposium utilize the above structure;

Answer 1

interface Event{
    public void Expenditure();
    public void Prizes();
    public void welcome_msg();
    public void Thank_you_msg();
    
}


interface invitation extends Event{
    public void design_invitation();
    public void display_invitation();
}
class Birthday implements invitation {
    public void Expenditure(){
        
    }
    public void Prizes(){
        
    }
    public void welcome_msg(){
        
    }
    public void Thank_you_msg(){
        
    }
    
    public void design_invitation(){
    }
    public void display_invitation(){
    }
}
class Symposium implements invitation {
    public void Expenditure(){
        
    }
    public void Prizes(){
        
    }
    public void welcome_msg(){
        
    }
    public void Thank_you_msg(){
        
    }
    
    public void design_invitation(){
    }
    public void display_invitation(){
    }
}
public class Main
{
	public static void main(String[] args) {
		Birthday b=new Birthday();
		Symposium s=new Symposium();
	}
}