public static boolean judBirth(String birth){
int j=0; boolean b = true;
for(int i=0;i<birth.length();i++){
char temp = birth.charAt(i);
String temp2 = String.valueOf(temp);
if(temp2.equals("/")){ j++; } } if(j==2){
System.out.println("===="); return b; }
else{ System.out.println("111111"); return !b; } }