public class Practice {
private int a; //은닉화
public void setA(int n){
a = n;
}
public int getA(){
return a;
}
}
public class Practice2 {
public static void main(String[] args) {
Practice v = new Practice();
//System.out.println(v.a); //호출불가
v.setA(100);
System.out.println(v.getA());
}
}