求!用java编的求润年的程序.谢谢!

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Runnian {
private static int year;
private static StringBuffer stb=new StringBuffer();
public static void main(String[] args) throws NumberFormatException, IOException{
BufferedReader br
=new BufferedReader(new InputStreamReader(System.in),1);
year=Integer.parseInt(br.readLine());
if((year%4==0&&year%100!=0)||year%400==0){
stb.append(year);
stb.append(" is a leap year!");
System.out.println(stb);
}else{
stb.append(year);
stb.append(" is not a leap year!");
System.out.println(stb);
}
}
}

是你要的不？？

这是求从1800-2004年之间的年份的
public class exam04 {
static final int HIGH = 2004;
static final int LOW = 1800;

public static void main(String[] args) {
for (int i = 0; i < 100; i++) {