run.java

class NumberListener implements ActionListener{ public void actionPerformed(ActionEvent e){ if (

public class Run 
{
	public static void main(String args[])
	{
		System.out.println("我们这个世纪的闰年有:");
		int n=0;
		for(int y=2000;y<3000;y+=4)
		{
			if(y%100==0 && y%400!=0)
			continue;
			System.out.print(y+"\t");
			n++;
			if(n<10)
			continue;
			System.out.println();
			n=0;
		}
	}
	
}