packet.java

一个聊天系统

package chat;

public class Packet {
  public Packet() {
  }

  public String getcontent(String pac,char mark)
  {
    String res="";
    int result=pac.indexOf(mark);
    if(result<0)
      return pac;
    res=pac.substring(0,result-1);
      return res;
  }
}