常见对象_StringBuffer的反转功能

package cn.itcast_05;

/*
 * StringBuffer反转功能
 * 		public StringBuffer reverse():
 */
public class StringBufferDemo {
	public static void main(String[] args) {
		//创建字符串缓冲区对象
		StringBuffer sb = new StringBuffer();
		
		//添加功能
		sb.append("hello").append("world").append("java");
		System.out.println("sb:"+sb);
		
		//反转功能 		public StringBuffer reverse():
		sb.reverse();
		System.out.println("sb:"+sb);
	}
}