摘要:
public static int random(){ int[] array = {0,1,2,3,4,5,6,7,8,9}; Random rand = new Random(); for (int i = 10; i > 1; i--) { int index = rand.nextInt(i); int tmp = array[index]; array[index] = array[i - 1]; array[i - 1] = tmp; } ... 阅读全文
摘要:
public class tt { /** * 不用第三个变量互换2变量的值 * @author gx * Feb 10, 2014 2:46:37 PM */ public static void main(String[] args) { int a = 5; int b = 6; a = a+b; b = a-b; a = a-b; System.out.println(a+" "+b); a=a^b; b=... 阅读全文