JAVA / 클래스생성

pulic class Main { 
   public static void main(String[] args) {
         Student chaemina = new Student(21, "chaemina" , 2);
         System.out.println(chaemina.age+"" +chaemina.name+" " + chaemina.grade);
         }
}

class Student {
     int age;
     String name; 
     int grade;
     
     Student(int age, String name, int grade) {
     this.age = age; 
     this.name = name;
     this.grade = grade;
     }
  }