public static void main(String[] args) {

String[] a = { "a", "b", "c" };

String[] v = { "a", "b", "c" };

Integer[] b = {2,2,1,5,3,7,8};

//比较是否相等

boolean flag = Arrays.equals(a, v);

if (flag) {

System.out.println("true");

} else {

System.out.println("false");

}

System.out.println("排序后的数组...");

//默认升序排列

Arrays.sort(b);

//降序

Arrays.sort(b, (x,y) ->y.compareTo(x));

for (int i = 0; i < b.length; i++) {

System.out.println(b[i]);

}

System.out.println("输出字符串............");

System.out.println(Arrays.toString(a));

}