영상
개념
package 캡슐화_개념;
class Student1 {
private String name;
private int age;
public Student1(String name, int age){
this.name = name;
this.age = age;
}
public void setName(String name) {
this.name = name;
}
public void setAge(int age) {
this.age = age;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
}
class Student2{
public String name;
public int age;
}
public class 캡슐화_개념02_기본이론2 {
public static void main(String[] args) {
Student1 hgd = new Student1("홍길동", 11);
System.out.println(hgd.getName());
System.out.println(hgd.getAge());
hgd.setName("이만수");
hgd.setAge(20);
System.out.println(hgd.getName());
System.out.println(hgd.getAge());
// hgd.name = "aaa"; 직접접근을 불가하다.
// 아래가 훨씬 편한데 왜 위와 같이 사용할까? 다음에 설명
Student2 s2 = new Student2();
s2.name = "이영희";
s2.age = 10;
}
}
Java
복사