Java program to print student details using constructor

[java]
class Student_Details{
int roll_no;
String name, classno, gender;
Student_Details(int roll, String n, String c) {
roll_no = roll ;
name = n;
classno = c;
}
void display(){
System.out.println(“My name is “+name+”, I study in “+classno+”
class and my roll number is “+roll_no);
}
public static void main(String arg[]){
Student_Details sd1 = new Student_Details(2, “James”, “XIIth”);
Student_Details sd2 = new Student_Details(25, “Alex”, “IXth”);
Student_Details sd3 = new Student_Details(1, “Michele”, “XIth”);

sd1.display();
sd2.display();
sd3.display();
}
}
[/java]

Output: