kingseungil

public class Miniproject1 {
  public static void main(String[] args) {
    System.out.println("[구구단 출력]");
    for (int i = 1; i <= 9; i++) {
      for (int j = 1; j <= 9; j++) {
        System.out.print(String.format("%02d X %02d = %02d" + "\t", j, i, i * j));
      }
      System.out.println();
    }
  }

kingseungil

import java.util.Scanner;

public class Miniproject2 {
  public static void main(String[] args) {
    System.out.println("[캐시백 계산]");
    try (Scanner sc = new Scanner(System.in)) { // try-with-resources 문으로 Scanner 객체 자동 닫기
      System.out.print("결제 금액을 입력해 주세요. (금액):");
      int price = sc.nextInt();

      int cashback = price / 10;

kingseungil

import java.util.Scanner;

public class Miniproject3 {
  public static void main(String[] args) {
    System.out.println("[입장권 계산]");
    try (Scanner sc = new Scanner(System.in)) { // try-with-resources 문으로 Scanner 객체 자동 닫기
      System.out.print("나이를 입력해 주세요.(숫자):");
      int age = sc.nextInt();
      System.out.print("입장시간을 입력해 주세요.(숫자입력):");
      int time = sc.nextInt();

kingseungil

import java.util.Random;
import java.util.Scanner;

public class Miniproject4 {
  public static void main(String[] args) {
    System.out.println("[주민등록번호 계산]");
    try (Scanner sc = new Scanner(System.in)) {
      System.out.print("출생년도를 입력해 주세요.(yyyy):");
      int year = sc.nextInt();
      if (year < 2020) {

kingseungil

import java.time.LocalDate;
import java.util.Scanner;

public class Miniproject5 {
  public static void main(String[] args) {
    System.out.println("[달력 출력 프로그램]");
    try (Scanner sc = new Scanner(System.in)) { // try-with-resources 문으로 Scanner 객체 자동 닫기
      System.out.print("달력의 년도를 입력해 주세요.(yyyy):");
      int year = sc.nextInt();
      System.out.print("달력의 월을 입력해 주세요.(mm):");

kingseungil

import java.util.Random;
import java.util.Scanner;

public class Miniproject6 {

  public static void main(String[] args) {
    try(Scanner sc = new Scanner(System.in)) {
      System.out.print("총 진행할 투표수를 입력해 주세요.");
      int total = sc.nextInt();
      System.out.print("가상 선거를 진행할 후보자 인원을 입력해 주세요.");

kingseungil

import java.util.ArrayList;
import java.util.Collections;
import java.util.Random;
import java.util.Scanner;

public class Miniproject7 {
  public static void main(String[] args) {
    System.out.println("[로또 당첨 프로그램]\n");

    try (Scanner sc = new Scanner(System.in)) {

kingseungil

/*
김승일
깜짝과제1
 */

import java.util.Scanner;

public class s_project1 {

    public static void displayMenu() {

kingseungil

import java.util.Scanner;

public class Miniproject8 {

  // Enum으로 상수 정의
  public enum IncomeLevel {
    LEVEL_1(0, 12000000, 6, 0),
    LEVEL_2(12000000, 46000000, 15, 1080000),
    LEVEL_3(46000000, 88000000, 24, 5220000),
    LEVEL_4(88000000, 150000000, 35, 14900000),

kingseungil

/*
김승일
깜짝과제2
 */

package s_project;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;