[java]자리바꾸기 코드..

package dd;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class dd {

	public static String[] q = new String[] {"홍길동","아무개" ... };

	public static String[] random() {

		String[] a = new String[23]; //인원에 맞게 수정
		Arrays.fill(a, "");
		for (int i = 0; i < q.length;) {
			int ran = (int) (Math.random() * 23); //인원에 맞게 수정 .random()*(max-min+1)
			if (!isSame(a, q[ran])) {
				a[i] = q[ran];
				i++;
			}
		}
		return a;
	}

	public static boolean isSame(String[] a, String q) {
		boolean same = false;
		for (int i = 0; i < a.length; i++) {
			if (a[i].equals(q)) {
				same = true;
				break;
			} else {
				same = false;
			}
		}
		return same;
	}

	public static void arrayRan(String[] a) {
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + " ");

			if (i % 6 == 2) {
				System.out.print("\t");
			} else if ((i + 1) % 6 == 0) {
				System.out.println();
			}

		}
	}

	public static void main(String[] args) {
		arrayRan(random());
	}

}