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java-practice
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week02
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intermediate
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StudentTest.java
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intermediate
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StudentTest.java
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package week02.intermediate;
public class StudentTest {
public static void main(String[] args) {
System.out.println("<static 변수를 이용한 학생 수 카운트>");
// 12단계(응용): static 변수를 이용한 학생 수 카운트
// 문제: Student.java에 학생이 생성될 때마다 1씩 증가하는 private static int studentCount;변수와,
// 이 변수의 값을 리턴하는 public static int getStudentCount() 메서드를 만드세요.
// Student의 생성자가 호출될 때 studentCount를 1씩 증가시키세요. StudentTest.java에서
// 학생 객체를 여러 명 생성한 후, Student.getStudentCount()를 호출하여 총 학생 수를 출력하세요.
// 핵심 사고: 모든 객체가 공유하는 데이터인 static 변수의 특성과 활용법을 이해합니다.
// 힌트: static 변수, static 메서드, 생성자, private, public, 클래스명.메서드()
new Student();
new Student();
new Student();
new Student();
System.out.println(Student.getStudentCount());
}
}
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