testnumber.java

java练习的源代码

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package number;

/**
 *
 * @author china
 */
public class TestNumber {

    /**
     * @param args the command line arguments
     */
    public static void isLeapYear(int year)
    {
        boolean n1=(year%4==0);
        boolean n2=(year%100==0);
        boolean n3=(year%400==0);
        if((n1==true&&n2!=true)|| (n2==true&&n3==true))
        {
            System.out.println(year+"年是瑞年");
        }
        else {
            System.out.println(year+"年不是瑞年");
            
        }
        
            
    }
    public static void main(String[] args) {
        // TODO code application logic here
      isLeapYear(1900);
      isLeapYear(1904);
      isLeapYear(2000);
        
    }

}