随机不重复名单

/**
 * Created by Srun on 14-4-12.
 */
public class APTECHStudents {
    public static void main(String[] args) {
        String[] name = {"陈星光", "程争", "丁飞翔", "周盛源", "万为", "鄢为", "吴进", "陈锡鄂", "余伏初", "梅腾", "王淼三", "李新", "田昌旭", "叶兵元", "文志明", "任为", "向阳", "颜坤", "张孝亮", "李力", "林培鹏", "杨方"};
        int[] chosenID = new int[22];
        Student[] students = new Student[22];
        int randomNumber;

        for (int i = 0; i < 22; i++) {
            students[i] = new Student(1147100 + i + 1, name[i]);
            System.out.println(students[i].getInformation());
        }
        System.out.println("-----------------------");
//        initialize complected

        for (int i = 0; i < 22; i++) {
            boolean isRepeat = true;
            do {
                int unRepeatNumber = 0;
                randomNumber = (int) (Math.random() * 22);
                for (int j = 0; j < i; j++) {
                    if (randomNumber != chosenID[j]) {
                        unRepeatNumber++;
                    }
                }
                if (unRepeatNumber == i) {
                    isRepeat = false;
                }
            } while (isRepeat);

            chosenID[i] = randomNumber;
            System.out.println((i + 1) + ".\t" + students[randomNumber].getInformation());
        }
    }
}


class Student {
    private String name;
    private int studentID;


    Student(int studentID, String name) {
        setName(name);
        setStudentID(studentID);
    }

    public String getInformation() {
        return studentID + "    " + name;
    }

    public void setName(String name) {
        this.name = name;
    }


    public void setStudentID(int studentID) {
        this.studentID = studentID;
    }
}