java:multiple markers at this line

ÕâÊÇÎÒµÄÒ»¶Î³ÌÐò£º
public static void main(String[] args) {
// TODO Auto-generated method stub
/*AÖм¯ºÏ°´ÕÕÒ»´ÎµÝÔöµÄ˳ÐòÊäÈ룬1~n*/
String vars=JOptionPane.showInputDialog("ÇëÊäÈëA¼¯ºÏÖеÄÔªËØ");
if(IllegalOrNot1(vars)){
String[] tempvars=vars.split("\\,");
int i=tempvars.length;
while(i!=0){
{
if(IsSelfReverse(MatrixR(vars,i),i))
System.out.print("Õâ¸ö¹ØϵÂú×ã×Ô·´¹Øϵ");
else
System.out.print("Õâ¸ö¹Øϵ²»Âú×ã×Ô·´¹Øϵ");
}
{
if(IsSymmetry(MatrixR(vars,i),i))
System.out.print("¹ØϵÂú×ã¶Ô³Æ¹Øϵ");
else
System.out.print("¹Øϵ²»Âú×ã¶Ô³Æ¹Øϵ");
}
  }
}
else
System.out.println("A¼¯ºÏÖк¬ÓÐÖظ´µÄÔªËØ£¡");
}
public static boolean IllegalOrNot1(String s){
/*ÉèÖÃstringS[]Ϊ´æ´¢È¥µô¶ººÅºóµÄ×Ö·û´®*/

char[] stringS=s.toCharArray();
int temp=1;
int i,k=0;
  for(;k <s.length()-1;k++)
    for(i=k+1;i <s.length();i++)
  if((stringS[k]==stringS[i])&&stringS[k]!=',')
  temp=0;
return temp==1;
}
public static int[][] MatrixR(String string,int lengthofstringA){
      JOptionPane.showMessageDialog(null,"AÖеÄÔªËØÊÇ£º"