如何检测Java 字符串中是否包含某字符

http://stackoverflow.com/questions/10060804/how-to-check-if-string-contains-character

contains()

Example:

String s = "ddjdjdj+kfkfkf";

if(s.contains("+"))
{
    String parts[] = s.split("\\+");
    System.out.print(parts[0]);
}