import java.util.Scanner; public class jar36 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("==== 알파벳 빈도수 구하기 ===="); System.out.print("입력 >> "); String str = sc.nextLine();// 띄어쓰기 위해선 // 담겨있는 글자를 하나씩 쪼개기 String[] strs = str.split(""); // 알파벳 개수 int[] alp = new int[26]; // 입력한 글자의 갯수만큼 순회하는 for문 for (int i = 0; i < strs.length; i++) { for (char..

package JavaFestival; import java.util.Scanner; public class jar37 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("입력 : "); int a = sc.nextInt(); int num=1; System.out.print("출력 : "); for(int i=1;i

package JavaFestival; import java.util.Random; import java.util.Scanner; public class jar35 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Random rd = new Random(); int num=0; int c=0; while(true) { int a = rd.nextInt(10)+1; int b = rd.nextInt(10)+1; System.out.print(a+" + "+b+" = "); c=sc.nextInt(); if(a+b==c) { System.out.println("SUCCESS!"); }else { System.out..

방식1 package JavaFestival; import java.util.Scanner; public class jar34 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str = "01001101"; int num = Integer.parseInt(str,2); System.out.println(str+"(2)"+ " = " + num+"(10)"); String str1 = "00101000"; int num1 = Integer.parseInt(str1,2); System.out.println(str1+"(2)"+ " = " + num1+"(10)"); } } 방식2 public class..

package JavaFestival; import java.util.Scanner; public class jar33 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("base값 : "); int base = sc.nextInt(); System.out.print("n값 : "); int n = sc.nextInt(); int result = powerN(base,n); //method에 파라미터는 최소 0개 System.out.println("결과확인 : " + result); } private static int powerN(int base, int n) { int plan ..

import java.util.Scanner; public class jar32 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("==== 채점하기 ===="); String a = sc.next(); String [] b = a.split(""); int num=0; int num1=0; for(int i=0; i