JAVA编程;定义两个整型数组a和b,并分别填入值。使用Arrays类的常用方法...答:import java.util.Arrays;public class Du21 { public static void main(String[] args) { int[] a = {1, 23, 5, 57, 129, 11};int[] b = {2, 4, 6, 8, 10, 13, 3};boolean isEqual = Arrays.equals(a, b);//测试相等 System.out.println("a = b? " + isEqual);Sys...