JAVA Student 클래스 만들기, String.format 메소드

class Student1 {
private String name;
private int rollno, age;

public void setName(String n) {
name = n;
}
public void setRollno(int r) {
rollno = r;
}
public void setAge(int a) {
age = a;
}
public String toString() {
return String.format("학생[%s:%d:%d]", name, rollno, age);
}

}


public class StudentTest {

public static void main(String[] args) {
Student1 s = new Student1();

s.setName("김현준");
s.setAge(24);
s.setRollno(1301081);

System.out.println(s);

}

}