Java 数组

public class NumSort {
    public static void main(String[] args) {
        int[] a = new int[args.length];
        for (int i=0; i<args.length; i++) {
            a[i] = Integer.parseInt(args[i]);
        }
        print(a);
        selectionSort(a);
        print(a);
    }

    private static void selectionSort(int[] a) {
        int k, temp;
        for(int i=0; i<a.length; i++) {
            k = i;
            for(int j=k+1; j<a.length; j++) {
                if(a[j] < a[k]) {
                    k = j;
                }
            }

            if(k != i) {
                temp = a[i];
                a[i] = a[k];
                a[k] = temp;
            }
        }
    }

    private static void print(int[] a) {
        for(int i=0; i<a.length; i++) {
            System.out.print(a[i] + " ");
        }
        System.out.println();
    }
}

源码： Array.rar   

 

课件： 数组.pdf