倒序

public class Daoxu {
public static String[] daoxu(String[]a) {
String[] b = new String[a.length];
for (int i = 0; i < b.length; i++) {
b[i] = a[a.length - 1 - i];
}
return b;
}
public static String[] dao(String[]a){
int f=0;
for (int i =a.length-1; i > (a.length-1)/2; i--) {
String temp=a[i];
a[i]=a[f];
a[f]=temp;
f++;
}
return a;
}

public static void main(String[] args) {
String[] a = new String[] { "erty", "oiuy", "cvni","poiuyt","cvbnhg" };
for (String dfg: dao(a)) {
System.out.println(dfg);
}
}

}