mokomokohitsuzi

import java.util.Scanner;

public class En4_5 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.println("カウントダウンします。");
		int x;
		do {
			System.out.print("正の整数値：");

mokomokohitsuzi

import java.util.Scanner;

public class En4_6_1 {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.print("何個*を表示しますか：");
		int n = stdIn.nextInt();

mokomokohitsuzi

import java.util.Scanner;

public class En4_6_2 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.print("何個*を表示しますか：");
		int n = stdIn.nextInt();

		int i = 1;

mokomokohitsuzi

import java.util.Scanner;

public class En4_7 {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n;
		do {
			System.out.print("何個表示しますか：");

mokomokohitsuzi

import java.util.Scanner;

public class En4_8 {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n;
		do {
			System.out.print("整数値：");

mokomokohitsuzi

import java.util.Scanner;

public class En4_9 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n;
		do {

			System.out.print("nの値：");

mokomokohitsuzi

import java.util.Scanner;

public class En4_10 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.print("何個*を表示しますか：");
		int n = stdIn.nextInt();

		for (int i = 1; i <= n; i++) {// iを1から開始し、n以下となるまで繰り返す。

mokomokohitsuzi

import java.util.Scanner;

public class En4_11 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.println("カウントダウンします。");

		int x;
		do {

mokomokohitsuzi

import java.util.Scanner;

public class En4_12 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.println("カウントアップします。");

		int x;
		do {

mokomokohitsuzi

import java.util.Scanner;

public class En4_13 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		System.out.println("1からnまでの和を求めます。");
		int n;
		do {
			System.out.print("nの値：");