package day4; import java.util.Scanner; public class Ex05_drink { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int balance = 10000; int coke = 1000; int cider = 1200; int milk = 1500; String list = ""; while(true) { System.out.printf("====자판기==== 현재 잔액 : %,d원\n",balance); System.out.println("1.콜라(1000원) 2.사이다(1200원) 3.우유(1500원) ..
package day4; import java.util.Scanner; public class ex01_grade { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); while(true) { System.out.println("=====성적====="); System.out.println("국어점수 입력>"); int kor = sc.nextInt(); System.out.println("영어점수 입력>"); int eng = sc.nextInt(); System.out.println("수학점수 입력>"); int mat = sc.nextInt(); i..
package day4; import java.util.Scanner; public class Ex02_calculator2 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); double result = 0; boolean run = true; while(true) { System.out.println("====계산기===="); System.out.println("1.더하기 2. 빼기 3.곱하기 4.나누기 5.나머지"); System.out.println("첫번째 숫자입력 >"); int num1 = sc.nextInt(); System.out.pr..
package day4; import java.util.Scanner; public class Ex04_updown { public static void main(String[] args) { // TODO Auto-generated method stub // 문제) 숫자를 계속 입력받으면서 정답을 맞추는 게임 // 정답이 입력받은 숫자보다 크면 up , 작으면 down 출력 , 정답이면 정답 출력후 반복문빠져나오기 double answer = (int) (Math.random() * 31) + 1;// 강제형변환,0.1부터 9.9~까지 랜덤한숫자함수 System.out.println(answer); Scanner sc = new Scanner(System.in); int re = 1; boolean o..
Scanner sc = new Scanner(System.in); while(true) { System.out.println("====정렬===="); System.out.println("숫자 입력 >"); int num = sc.nextInt(); System.out.println("1.오름차순 2.내림차순"); System.out.println("메뉴선택"); int menu = sc.nextInt(); if(menu == 1) { for(int i=1; i=0; num--) { System.out.println(num); //내림차방법 3가지 예 //for(int i=num; i>0; i--){ //System.out.println(i); //for(int i=0; num>i; num--) { //..
