(新手)关于StringBuffer出错问题
代码如下:public class StringBuffer {
/*StringBuffer缓冲
*/
public static void main(String[] args) {
String s = "microsoft";
char[] a = {'a','b','c'};
StringBuffer m = new StringBuffer(s);
m.append('/').append("IBM").append('/').append("SUN");
System.out.println(m);
StringBuffer sb2 = new StringBuffer("数字");
for(int i=0;i<=9;i++){sb2.append(i);}
System.out.println(sb2);
sb2.delete(8,sb2.length()).insert(0,a);
System.out.println(sb2);
System.out.println(sb2.reverse());
}
}
显示的错误是:The constructor StringBuffer(String) is undefined
请教要怎么改正。。。。。。。。。。。。