java字符串反转

public class StringReverse(){
public static void main(){
        String str="ReverseMe";
/**
 *将String 对象转换为可改变的StringBuffer类对象 
 *然后调用StringBuffer类的reverse()方法实现反转
 **/
        String reverseResult = newStringBuffer(str).
        System.out.println("\nString before reverse:
 "+str);
        System.out.println("String after reverse:
 "+reverseResult);
    }
}