java 拆分出字符串中年份

public static void main(String[] args) {??
??? ??? ?String strInt="0123456789";
??? ??? ? String str = "prospect 772 2009 the brawler syrah-viognier (calaveras county)";
??? ??? ? char[] tempChar = str.toCharArray();
??? ??? ? String year="";
??? ??? ? int tYear=0;
??? ??? ? int tNext=0;
??? ??? ? String strYear="";
??? ??? ? for(int i=0; str.length()>i;i++)
??? ??? ? {
??? ??? ??? ?
??? ??? ??? ? String s1 = String.valueOf(tempChar[i]);
?
??? ??? ??? ? if(strInt.indexOf(s1)!=-1)
??? ??? ??? ? {
??? ??? ??? ??? ? if(tYear!=0 && (tYear+1==i) )
??? ??? ??? ??? ? {
??? ??? ??? ??? ??? ? year+=s1;
??? ??? ??? ??? ??? ? tYear=i;
??? ??? ??? ??? ??? ? tNext+=1;
??? ??? ??? ??? ? }
??? ??? ??? ??? ? else
??? ??? ??? ??? ? {
??? ??? ??? ??? ??? ? year=s1;
??? ??? ??? ??? ??? ? tYear=i;
??? ??? ??? ??? ??? ? tNext=1;
??? ??? ??? ??? ??? ?
??? ??? ??? ??? ? }
??? ??? ??? ??? ? if(tNext==4)
??? ??? ??? ??? ? {
??? ??? ??? ??? ??? ? strYear=year;
??? ??? ??? ??? ? }
??? ??? ??? ? }
??? ??? ???
??? ??? ? }
??? ??? ? System.out.println(strYear);
??? }