20231031

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int s=1;

//// for(int i=a;i>0;i--)

//// {

//// s*=i;

//// }

//// System.out.println(s);

////

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int s=1;

//// for(int i=0;i<a;i++)

//// {

//// for(int j=0;j<s;j++)

//// {

//// System.out.print("*");

//// }

//// System.out.print("\n");

//// s+=1;

//// }

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int s=0;

//// for(int i=0;i<a;i++)

//// {

////

//// for(int j=0;j<s;j++)

//// {

//// System.out.print(" ");

//// }

//// System.out.println("**");

////

////

//// s+=1;

//// }

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int s=0;

//// s=a-1;

//// for(int i=0;i<a;i++)

//// {

//// for(int j=0;j<s ;j++)

//// {

//// System.out.print(" ");

//// }

//// for(int k=0;k<a ;k++)

//// {

//// System.out.print("*");

////

//// }

//// System.out.print("\n");

//// s-=1;

//// }

//// }

////}

///*

//int arr[50];

//

//자바에서의 배열 선언!

//int[] arr ; //int배열 arr 선언

//arr = new int[50]; //int공간 50칸 선언

//

//int[] a = new int[n]; //c와 달리 변수 갯수로도 선언이 가능하다!!!

// -> a.length

//

//String[] s = new String[50];

//

//int[][] a2 = new int[10][10]; //이차원 배열

//*/

//

////class Main{

//// public static void main(String[] args) {

//// int[] arr = new int[5];

//// for(int i=0;i<arr.length;i++) {

//// System.out.println(arr[i]);

//// }

//// }

////}

//

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int[] arr=new int[a+1];

//// for(int i=1;i<=a;i++)

//// {

//// arr[i] = sc.nextInt();

//// }

//// for(int i=a;i>=1;i--)

//// {

//// System.out.print(arr[i]+" ");

//// }

////

////

//// }

////}

//

///*

//import java.util.*;

//public class Main{

// public static void main(String[] args) {

// Scanner sc=new Scanner(System.in);

// int[] arr=new int[11];

// for(int i=1;i<=10;i++)

// {

// arr[i]=sc.nextInt();

// }

// int a=sc.nextInt();

// System.out.println(arr[a]);

// }

//}*/

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int[] arr=new int[1001];

//// for(int i=0;i<a;i++)

//// {

//// arr[i]=sc.nextInt();

//// }

//// for(int i=0;i<a;i++)

//// {

//// System.out.print(i+1+": ");

//// for(int j=0;j<a;j++)

//// {

//// if(j==i)

//// {

////

//// }

//// else

//// {

//// if(arr[i]>arr[j])

//// {

//// System.out.print("> ");

//// }

//// else if(arr[i]<arr[j])

//// {

//// System.out.print("< ");

//// }

//// else

//// {

//// System.out.print("= ");

//// }

//// }

//// }

//// System.out.print("\n");

//// }

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// int k=1;

//// int[][] arr=new int[a][a];

////

//// for(int j=0;j<a;j++)

//// {

//// for(int i=0;i<a;i++)

//// {

//// arr[i][j]=k++;

//// }

//// }

////

////

//// for(int i=0;i<a;i++)

//// {

//// for(int j=0;j<a;j++)

//// {

//// System.out.print(arr[i][j]+" ");

//// }

//// System.out.println();

//// }

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int n=sc.nextInt();

//// int m=sc.nextInt();

//// int[][] arr=new int[n][m];

//// int s=1;

////

//// for(int i=n-1;i>=0;i--)

//// {

//// for(int j=m-1;j>=0;j--)

//// {

//// arr[i][j]=s++;

//// }

//// }

//// for(int i=0;i<n;i++)

//// {

//// for(int j=0;j<m;j++)

//// {

//// System.out.print(arr[i][j]+" ");

//// }

//// System.out.print("\n");

//// }

////

//// sc.close();

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// String a=sc.nextLine();

//// //a[i] (x)

//// //a.charAt(i) (o)

//// for(int i=0;i<a.length();i++) {

//// if(a.charAt(i)!=' ')

//// {

//// System.out.print(a.charAt(i));

//// }

////

//// }

////

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// String a=sc.next();

//// for(int i=0;i<a.length();i++)

//// {

//// System.out.println("'"+a.charAt(i)+"'");

//// }

//// }

////}

////import java.util.*;

////public class Main{

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// String a=sc.next();

//// for(int i=0;i<a.length();i++)

//// {

//// //if(a.charAt(i)=='l'&&a.charAt(i+1)=='o'&&a.charAt(i+2)=='v'&&a.charAt(i+3)=='e'&&a.charAt(i+4)==null)

//// if(a.equals("love"))

//// {

//// System.out.println("I love you.");

//// break;

//// }

//// }

////

//// }

////}

//

////c 함수 = java 메소드

////import java.util.*;

////class Main{

//// static int g(int a,int b) {

//// return a*10;

//// }

//// static void f() {

//// System.out.println("hello");

//// }

//// public static void main(String[] args) {

//// f();

//// System.out.println(g(10,20));

////

//// }

////}

////import java.util.*;

////class Main{

//// public static void main(String[] args) {

//// f();

//// }

//// static void f() {

//// System.out.println("A");

//// }

////}

////import java.util.*;

////class Main{

//// static void f(int a) {

//// if(a==1)

//// {

//// System.out.println("hello");

//// }

//// else

//// {

//// System.out.println("world");

//// }

////

//// }

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// f(a);

////

////

//// }

////

////}

////import java.util.*;

////class Main{

//// static void f(int n)

//// {

//// for(int i=0;i<n;i++)

//// {

//// System.out.print("*");

//// }

//// }

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int n=sc.nextInt();

//// f(n);

//// }

////}

////import java.util.*;

////class Main{

//// static char f(int a)

//// {

//// if(a>=90)

//// {

//// return 'A';

//// }

//// else if(a>=80)

//// {

//// return 'B';

//// }

//// else if(a>=70)

//// {

//// return 'C';

//// }

//// else if(a>=60)

//// {

//// return 'D';

//// }

//// else

//// {

//// return 'F';

//// }

////

////

//// }

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// int a=sc.nextInt();

//// f(a);

//// System.out.println(f(a));

//// }

////}

////import java.util.*;

////public class Main{

//// static long f(long a)

//// {

////

//// long b=0;

//// for(int i=1;i<=a;i++)

//// {

//// b+=i;

//// }

//// return b;

//// }

//// public static void main(String[] args) {

//// Scanner sc=new Scanner(System.in);

//// long a=sc.nextInt();

//// System.out.println(f(a));

//// }

////}

//import java.util.*;

//public class Main{

// static long[] arr;

//

// public static void main(String[] args) {

// Scanner sc=new Scanner(System.in);

// int n=sc.nextInt();

// arr=new long[1001];

// for(int i=1;i<=n;i++)

// {

// arr[i]=sc.nextInt();

// }

// int a=sc.nextInt();

// int b=sc.nextInt();

// f(a,b);

// System.out.println(f(a,b));

// }

// static long f(int a,int b)

// {

// long d=0;

// for(int i=a;i<=b;i++)

// {

// d+=arr[i];

// }

// return d;

// }

//}

//import java.util.Scanner;

//class Circle {

// double x, y;

// int radius;

// public Circle(double x, double y, int radius) {

// this.x = x;

// this.y = y;

// this.radius = radius;

// }

// public void show()

// {

// System.out.println("(" + x + "," + y + ")" + radius);

// }

//}

//class Main

//{

// public static void main(String[] args) {

// int imax=0;

// int max=0;

// Scanner scanner = new Scanner(System.in);

//

// Circle c[] = new Circle[3];

//

// for (int i = 0; i < c.length; i++) {

//

// System.out.print("x,y,radius >>");

//

// double x=scanner.nextDouble();

// double y=scanner.nextDouble();

// int radius=scanner.nextInt();

// c[i]=new Circle(x,y,radius);

//

// }

// for (int i = 0; i < c.length; i++)

// {

// c[i].show();

// if(c[i].radius>max)

// {

// max=c[i].radius;

// imax=i;

// }

//

// }

// System.out.print("가장 면적이 큰 원은 ");

// c[imax].show();

//

// scanner.close();

// }

//}

// static :

class Person{

static void speak() {

//name="지성";

System.out.println("저는 사람 클래스로 만든 객체 입니다!!!");

}

static String air="나쁨";//클래스마다 생성

String name;

final int age=10; //상수

}

class Main{

public static void main(String[] args) {

Person p = new Person();

Person s = new Person();

Person.speak();

p.air="좋음";

System.out.println(s.air);

}

}

//변수 : 내용물이 변할 수 있는 필드

//상수 : 내용물이 항상 똑같은(바꿀수없는) 필드 -> 선언할때 맨 앞에 final 이라고 붙이기