如何将字符串反转?
使用 StringBuilder 或者 stringBuffer 的 reverse() 方法。
示例代码:
java
// StringBuffer reverse
StringBuffer stringBuffer = new StringBuffer();
stringBuffer.append("abcdefg");
System.out.println(stringBuffer.reverse()); // gfedcba
// StringBuilder reverse
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append("abcdefg");
System. out. println(stringBuilder.reverse()); // gfedcba
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