interface as a datatype

I am not understanding the concept of interface as a data type please explain with a example

HI

understand this code and try yourself.


interface School {
void disply();

}

class SchoolDetails implements School {

public void disply() {
System.out.println("School Name: Ideal Higher Secondary School");

}

}

public class SchoolDisplay {
public static void example(School sc) {
sc.disply();

}

public static void main(String[] args) {
SchoolDetails details = new SchoolDetails();
example(details);

}

}


java Teacher