import java.util.Scanner;

/*
 * 给定n个整数，求出其中k个最大的数
 */
public class Temp {
    private int k;
    private int n;
    private int[] intInputArray;
    private int[] intSomeMaxNumbersArray;
    private Scanner sca;

    public Temp() {
        System.out.println("this is temp constructor!");
        this.setN();
        this.setK();
        this.intInputArray = new int[this.getN()];
        this.intSomeMaxNumbersArray = new int[this.getK()];
        this.initIntInputArray();
        sca = new Scanner(System.in);
    }

    public int getK() {
        return k;
    }

    public void setK() {
        System.out.println("Input k:");
        k = sca.nextInt();
    }

    public int getN() {
        return n;
    }

    public void setN() {
        System.out.println("Input n:");
        n = sca.nextInt();
    }

    private void initIntInputArray() {
        System.out.println("Input IntInputArray:");
        for (int i = 0; i < this.getN(); i++) {
            this.intInputArray[i] = sca.nextInt();
        }
    }

    public void operation() {
        int[] minNumAndIndex = new int[2];
        for (int i = 0; i < this.getN(); i++) {
            if (i < this.getK()) {
                this.intSomeMaxNumbersArray[i] = this.intInputArray[i];
            } else {
                minNumAndIndex = this.getMinNumIndex();
                if (minNumAndIndex[0] < this.intInputArray[i]) {
                    this.intSomeMaxNumbersArray[minNumAndIndex[1]] = this.intInputArray[i];
                }
            }
        }
    }

    private int[] getMinNumIndex() {
        int minIndex;
        int min;
        int[] minNumAndIndex = new int[2];
        min = this.intSomeMaxNumbersArray[0];
        minIndex = 0;
        for (int i = 0; i < this.getK(); i++) {
            if (min >= this.intSomeMaxNumbersArray[i]) {
                min = this.intSomeMaxNumbersArray[i];
                minIndex = i;
            }
        }
        minNumAndIndex[0] = min;
        minNumAndIndex[1] = minIndex;
        return minNumAndIndex;
    }

    private void printResult() {
        for (int i = 0; i < this.getK(); i++) {
            System.out.println(this.intSomeMaxNumbersArray[i] + " ");
        }
    }

    public static void main(String args[]) {
        Temp temp = new Temp();
        temp.operation();
        temp.printResult();
    }
}

this.setN(); //setN用到sca
        this.setK();
        this.intInputArray = new int[this.getN()];
        this.intSomeMaxNumbersArray = new int[this.getK()];
        this.initIntInputArray();
        sca = new Scanner(System.in); //而sca在这里才初始化，所以setN就抛出空指针异常了