Created
December 11, 2016 13:34
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新・明解Java入門 演習6-11
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import java.util.Random; | |
import java.util.Scanner; | |
public class En06_11 { | |
public static void main(String[] args) { | |
Random rand = new Random(); | |
Scanner stdIn = new Scanner(System.in); | |
// 要素数 | |
int element; | |
do { | |
System.out.println("要素数を10以下で入力して下さい。"); | |
System.out.print("要素数:"); | |
element = stdIn.nextInt(); | |
} while (element < 1 || element > 10); | |
System.out.println(); | |
// 配列 | |
int[] a = new int[element]; | |
int randoms = 0; | |
for (int i = 0; i < a.length; i++) { | |
// iが0の場合に実施 | |
if (i == 0) { | |
randoms = rand.nextInt(10) + 1; | |
a[i] = randoms; | |
} else if (i > 0) { | |
// ループ用ラベル | |
Roop: while (true) { | |
randoms = rand.nextInt(10) + 1; | |
// 配列を走査し、同じ値であればRoopからやり直す。 | |
for (int j = 0; j < i; j++) { | |
if (a[j] == randoms) { | |
continue Roop; | |
} | |
} | |
a[i] = randoms; | |
break; | |
} | |
} | |
System.out.printf("a[%d] = %d\n", i, a[i]); | |
} | |
} | |
} |
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