StringBuffer的反转功能

/*
 * StringBuffer的反转功能：
 * public StringBuffer reverse()
 */

public class StringBufferDemo {
    public static void main(String[] args) {
        //创建缓冲区对象
        StringBuffer buffer = new StringBuffer();

        //添加数据
        buffer.append("hello");
        System.out.println("buffer:"+buffer);

        // public StringBuffer reverse()
        buffer.reverse();
        System.out.println("buffer:"+buffer);
    }
}

buffer:hello
buffer:olleh