版权声明:欢迎转载,期待指正 https://blog.csdn.net/fighting_sxw/article/details/89786013
public class Test07 {
public static String reverse(String originStr){
if (originStr==null||originStr.length()<=1){
return originStr;
}
return reverse(originStr.substring(1))+originStr.charAt(0);
}
public static void main(String[] args) {
System.out.println(reverse("abcd"));
}
}
思路:
递归的将字符串的首字母放到最后一个位置
ps:从大佬的抖音直接搬运过来,抖音号:Todaystart,不妥之处,还望指正!