package ref; public class Method1 { public static void main(String[] args) { Student student1 = new Student(); Student student2 = new Student(); initStudent(student1, "학생1", 15, 90); initStudent(student2, "학생2", 16, 80); printStudent(student1); printStudent(student2); } public static void printStudent(Student student) { System.out.println("이름 : " + student.name + ", 나이 : " + student.age + ", 성적 : " + student.grade); } private static void initStudent(Student student, String name, int age, int grade) { student.name =name; student.age =age; student.grade =grade; } }