CodeUp 21~30

Q21

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		String word = scanner.nextLine();
		
		System.out.println(word);
	}

}

Q22

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		String text = scanner.nextLine();
		
		System.out.println(text);
	}

}

Q23

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		
		String f = scanner.nextLine();
		String[] data=f.split("\\.");

		System.out.printf("%s%n%s",data[0],data[1]);
	}

}

Q24

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		
		String str = scanner.nextLine();
		
		for(int i=0; i<str.length();i++) {
			System.out.println("'"+str.charAt(i)+"'");
		}
	}

}

Q25

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		String str = scanner.nextLine();
		
		char[] a = str.toCharArray(); //String 문자열을 char형 배열로 바꿔주는 메서드
		
		for(int i=0; i<str.length(); i++) {
			System.out.printf("[%c",a[i]);

			for(int j=str.length()-1;i<j; j--) { 
				System.out.printf("0");
			}
			
			System.out.println("]");
		}
	}

}

Q26

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		String str = scanner.nextLine();
		
		String[] str1 = str.split(":");
		int m=Integer.parseInt(str1[1]);
		
		System.out.println(m);
	}
}

Q27

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		String str = scanner.nextLine();
		
		String[] str1 = str.split("\\.");
		int[] a = new int[str1.length];
		for(int i=0;i<str1.length;i++) {
			a[i]= Integer.parseInt(str1[i]); //문자열을 int로 변경
		}
		
		System.out.printf("%02d-%02d-%04d",a[2],a[1],a[0]);
	}
}

Q28

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		long l = scanner.nextLong();
			
		System.out.printf("%d%n",l);
	}
}

Q29

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		double d = scanner.nextDouble();
			
		System.out.printf("%.11f%n",d);
	}
}

Q30

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		long l = scanner.nextLong();
			
		System.out.printf("%d%n",l);
	}
}