///////*5968-+5*98
//////class ArrayUtil {
////// public static int [] concat(int[] a,int[] b) {
////// int[] c = new int[a.length+b.length];
////// for(int j=0;j<a.length;j++)
////// {
////// c[j]=a[j];
////// }
////// for(int k=0;k<b.length;k++)
////// {
////// c[a.length+k]=b[k];
////// }
////// return c;
////// }
////// public static void print(int [] c)
////// {
////// System.out.print("[ ");
////// for(int i=0;i<c.length;i++)
////// {
////// System.out.print(c[i]+" ");
////// }
////// System.ou-t.print(" ]");
////// }
////// 7777777+++
//////}
//////class Main {
//////
////// public static void main(String[] args) {
////// int[] array1 = { 1, 5, 7, 9 };
//////
////// int[] array2 = { 3, 6, -1, 100, 77 };
//////
////// int[] array3 = ArrayUtil.concat(array1, array2);
//////
////// ArrayUtil.print(array3);
////// }
//////}*/
//////// Student 클래스가 Person 클래스를 상속받았다.
////////Person은 Student 의 부모 클래스 (슈퍼 클래스)
////////Student 는 Person의 자식 클래스 (서브 클래스)
////////extend : 확장하다! 넓히다!
//////-*-*
///////54class Person {
////// private String name;
////// private int age;
//////}
//////class Student extends Person{ // Person이라는 클래스를 확장해서 클래스를 만들어요!
////// String school;
////// String grade;
////// public Student() {
////// //name="aaa"; //private 이기때문에 접근 불가능!
////// }
//////}
//////class Teacher extends Person{
////// String school;
////// String subject;
//////}
//////
//////class Main{
////// public static void main(String[] args) {
////// Student s = new Student();
////// }
//////}
////class Point{
//// private int x,y;
//// public void set(int x,int y) {
//// this.x=x;
//// this.y=y;
//// }
//// public void showPoint() {
//// System.out.println("("+x+','+y+")");
//// }
////}
////class ColorPoint extends Point{
//// private String color;
//// public void setColor(String color) {
//// this.color=color;
//// }
//// public void showColorPoint(){
//// System.out.print(color);
//// showPoint();
//// }
////}
////public class Main{
//// public static void main(String[] args) {
//// Point p=new Point();
//// p.set(1, 2);
//// p.showPoint();
////
//// ColorPoint cp=new ColorPoint();
//// cp.set(3, 4);
//// cp.setColor("red");
//// cp.showColorPoint();
//// }
////}
//a
class SharpPencil{
private int width;
private int amount;
public int getAmount() {return amount;}
public void setAmount(int amount) {this.amount=amount;}
}