[LeetCode-Easy]344. Reverse String-逆置字符串

题目:

Write a function that takes a string as input and returns the string reversed.

Example:Given s = "hello", return "olleh".

思路:

超级简单的一道基础题,只需要利用StringBuffer就可以直接30秒解决问题。

代码:

public class ReverseStringTest {
public String reverseString(String s) {
    StringBuffer sb = new StringBuffer(s);
    s = sb.reverse().toString();
    return s;
  }

public static void main(String[] args) {
    ReverseStringTest rst = new ReverseStringTest();
    System.out.println(rst.reverseString("hello"));
}
}

你可能感兴趣的:([LeetCode-Easy]344. Reverse String-逆置字符串)