JavaSE8基础 StringBuffer reverse 倒置缓冲区内的字符串

os ：windows7 x64
    jdk：jdk-8u131-windows-x64
    ide：Eclipse Oxygen Release (4.7.0)
    
    
code：

package jizuiku1;

public class Demo101 {
	public static void main(String[] args) {
		StringBuffer sb = new StringBuffer();
		sb.append("cnblog");

		sb.reverse();//倒置字符串

		System.out.println(sb);
	}
}

result：