Quiz)カスタムクラス
🔓 任意の値の受信と出力
プライマリクラス)
package pack_CusCls01;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("값을 입력하세요 : ");
int num = scanner.nextInt();
scanner.close();
Sample sample = new Sample(num);
sample.mtdPrint();
}
}package pack_CusCls01;
public class Sample {
private int num; //필드
public Sample(int num) {
this.num = num;
} //생성자
public void mtdPrint() {
System.out.println("커스텀 클래스의 필드에 입력된 값 : " + num);
}
}
🔓 給料をもらう
プライマリクラス)
package pack_CusCls02;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("세전 급여를 입력해 주세요(단위. 원) : ");
int money = scanner.nextInt();
scanner.close();
Salary salary = new Salary(money);
salary.mtdCalc();
}
}
package pack_CusCls02;
public class Salary {
private int money;
public Salary(int money) {
this.money = money;
}
public void mtdCalc() {
double salary = (double)money-(money*0.033);
System.out.printf("실지급액 : %.0f", salary);
}
}
🔓 換算ポンド数
プライマリクラス)
package pack_CusCls03;
import java.util.Scanner;
public class Conversion {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Kg을 입력해주세요 : ");
int kilo = scanner.nextInt();
scanner.close();
Pound pound = new Pound(kilo);
pound.mtdChange();
}
}
package pack_CusCls03;
public class Pound {
private int kilo;
public Pound(int kilo) {
this.kilo = kilo;
}
public void mtdChange() {
double lb = 2.2;
double res = 0.0;
res = this.kilo *lb;
System.out.printf("파운드(lb) : %.1f lb", res);
}
}
🔓✨ デジタル入力を受け入れて出力する
プライマリクラス)
package pack_CusCls04;
import java.util.Scanner;
public class Shape {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("숫자를 입력하세요 : ");
int num = scanner.nextInt();
if (num<3 || num>9) {
System.exit(0);
}
scanner.close();
NumRectangle numRec = new NumRectangle(num);
numRec.mtdRect();
}
}
package pack_CusCls04;
public class NumRectangle {
private int num;
public NumRectangle(int num) {
this.num = num;
}
public void mtdRect(){
int k = 1;
for (int i = 0; i < 10; i++) {
for (int j = 0; j < 10; j++) {
System.out.print(k++ + " ");
if (k > num) k=1;
}
System.out.println();
}
}
}
🔓✨ 任意の数字の入力を受け入れて、累計してパリティを求めます
プライマリクラス)
package pack_CusCls05;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("2개의 값을 입력하세요 : ");
int num1 = scanner.nextInt();
int num2 = scanner.nextInt();
int start = num1;
int end = num2;
if (num1 > num2) {
start = num2;
end = num1;
}
System.out.print("누적할 숫자 : ");
String chkString = scanner.next();
int chkNum = 0; //짝수임을 가정
if (chkString.equals("홀수")) chkNum = 1;
scanner.close();
Sum obj = new Sum(start, end, chkNum);
int sum = obj.mtdSum();
System.out.printf("%d부터 %d까지의 %s 누적 : %d"
, start, end, chkString, sum);
}
}
package pack_CusCls05;
public class Sum {
private int start;
private int end;
private int chkNum;
public Sum(int start, int end, int chkNum) {
this.start = start;
this.end = end;
this.chkNum = chkNum;
}
public int mtdSum() {
int sum = 0;
for (int i = start; i <= end; i++) {
if(i % 2 == chkNum) sum += i;
}
return sum;
}
}
🔓 入力された数値の逆順で出力
プライマリクラス)
package pack_CusCls06;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("배열 크기 설정 : ");
int len = scanner.nextInt();
double[] num = new double[len];
System.out.print("입력하실 숫자 4개를 입력해주세요 : ");
for (int i = 0; i < num.length; i++) {
num[i] = scanner.nextDouble();
}
scanner.close();
ReverseArray reverseArray = new ReverseArray(num);
reverseArray.mtdReverse();
}
}
package pack_CusCls06;
public class ReverseArray {
private double[] num;
public ReverseArray(double[] num) {
this.num = num;
}
public void mtdReverse() {
System.out.print("입력하신 숫자들의 역순 : ");
for (int i = num.length-1; i >= 0; i--) {
System.out.print(num[i] + " ");
}
}
}
🔓 入力する数字の倍数を求めます
主な方法)
package pack_CusCls07;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("배수를 구할 정수를 입력하세요 : ");
int num = scanner.nextInt();
if (num<2 || num>10) {
System.out.println("올바른 값을 입력하세요."
+ "프로그램을 종료합니다.");
System.exit(0);
} else {
Multiple multiple = new Multiple(num);
multiple.mtd_Multiple();
}
scanner.close();
}
}
package pack_CusCls07;
public class Multiple {
private int num;
public Multiple(int num) {
this.num = num;
}
public void mtd_Multiple() {
for (int i = 2; i <= 50; i++) {
if (i % num == 0) {
System.out.print(i + " ");
}
}
}
}
public void mtd_Multiple() {
int cnt = 0;
for (int i = 2; i <= 50; i++) {
if (i % num == 0) {
System.out.print(i + " ");
cnt++;
} if (cnt % 10 == 0) {
System.out.println();
}
}
}
🔓✨ 平均経済成長率と平均超過回数を求める
プライマリクラス)
package pack_CusCls08;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("10년간의 경제성장률을 입력하세요 : ");
double[] growthRate = new double[10];
for (int i = 0; i < growthRate.length; i++) {
growthRate[i] = scanner.nextDouble();
}
scanner.close();
Analysis analysis = new Analysis(growthRate);
analysis.mtd_Avg();
analysis.mtd_Cnt();
}
}
package pack_CusCls08;
public class Analysis {
private double[] growthRate;
private double avg;
public Analysis(double[] growthRate) {
this.growthRate = growthRate;
}
public void mtd_Avg() {
double sum = 0.0;
for (int i = 0; i < growthRate.length; i++) {
sum += growthRate[i];
}
avg = sum / growthRate.length;
System.out.printf("평균 경제성장률 : %.2f", avg);
}
public void mtd_Cnt() {
int cnt = 0;
for (int i = 0; i < growthRate.length; i++) {
if (growthRate[i] > this.avg) {
cnt++;
}
}
System.out.println("\n평균 경제성장률을 초과한 횟수 : "
+ cnt);
}
}
Reference
この問題について(Quiz)カスタムクラス), 我々は、より多くの情報をここで見つけました https://velog.io/@losuif/Quiz-커스텀클래스テキストは自由に共有またはコピーできます。ただし、このドキュメントのURLは参考URLとして残しておいてください。
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