DEMONSTRATE DEFAULT CONDTRUCTOR - DISPLAY DEFAULT VALUE (JAVA)

 class Student3 {  

int id;  

String name;  

void display(){System.out.println(id+" "+name);}  

public static void main(String args[]) {   

Student3 s1=new Student3();  

Student3 s2=new Student3();   

s1.display();  

s2.display();  

}  

}