如何将字符串反转？

“`”

使用 StringBuilder 或者 stringBuffer 的 reverse() 方法。示例代码：

<pre><code>// StringBuffer reverseStringBuffer stringBuffer = new StringBuffer();stringBuffer. append(""abcdefg"");System. out. println(stringBuffer. reverse()); // gfedcba// StringBuilder reverseStringBuilder stringBuilder = new StringBuilder();stringBuilder. append(""abcdefg"");System. out. println(stringBuilder. reverse()); // gfedcba</code></pre>

<pre><code> "“`