[JAVA] 알고리즘 문제풀이 입문 1.08, 1.09번

강의: https://inf.run/w779

 

1.08번

import java.util.Scanner;

 

public class Main {

  public String solution(String str){

    str = str.toUpperCase().replaceAll("[^A-Z]", "");

    String answer = "NO";

    String tmp = new StringBuilder(str).reverse().toString();

    if(str.equals(tmp)) answer = "YES";

    return answer;

  }

 

  public static void main(String[] args){

    Main m = new Main();

    Scanner in=new Scanner(System.in);

    String input = in.nextLine();

    in.close();

    System.out.println(m.solution(input));

  }

}

 

 

1.09번

import java.util.Scanner;

 

public class Main {

  public Integer solution(String str){

    String answer = str.replaceAll("[^0-9]", "");

    return Integer.parseInt(answer);

  }

  public static void main(String[] args){

    Main m = new Main();

    Scanner in = new Scanner(System.in);

    String input = in.nextLine();

    in.close();

    System.out.println(m.solution(input));

  }

}