输入n个整数，输出其中最小的k个

import java.util.Arrays;
import java.util.Scanner;


public class GetKSmallNum {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scan = new Scanner(System.in);  
        int num = scan.nextInt();
        int out = scan.nextInt();
        int []arr = new int[num];
        int top = 0;
        while (num>0) {
			arr[top++] = scan.nextInt();
			num--;
		}
        Arrays.sort(arr);
        for (int i = 0; i < out; i++) {
			System.out.print(arr[i]);
			if(i!=out-1)
				System.out.print(" ");
		}
	}

}

输入n个整数，输出其中最小的k个

原文：http://blog.csdn.net/liaction/article/details/47839145