在线求解找错误~~~~

<%
String sql = "";
sql = "insert into stuInfo(name, munber, gender, date, major)";
sql += "values('" + name + "','";
sql += number + "','";
sql += gender + "','";
sql += date + "','";
sql += major + "')";
System.out.println(sql);
int re = stmt.executeUpdate(sql);
System.out.println(re);
if(re != -1){
%>
这一句有什么错误? 我百思不得其解啊！！！