Arrays基本使用

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));
}