新・明解Java入門　演習6-9

En06_09.java

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

public class En06_09 {
	public static void main(String[] args) {
		Random rand = new Random();
		Scanner stdIn = new Scanner(System.in);

		// 要素数の処理
		int element;
		do {
			System.out.print("要素数：");
			element = stdIn.nextInt();
		} while (element < 1);
		System.out.println();

		// 配列
		int[] a = new int[element];
		for (int i = 0; i < a.length; i++) {
			// ランダム変数を作成し、代入
			int randoms = rand.nextInt(10) + 1;
			a[i] = randoms;
			System.out.printf("a[%d] = %d\n", i, a[i]);
		}
	}
}