leapyear.java

来自「提供了常用的JAVA技术的示例」· Java 代码 · 共 44 行

package leapyear;

import javax.swing.UIManager;
import java.awt.*;
import java.io.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class leapyear {

  //Main method
  public static void main(String[] args) throws IOException{
    InputStreamReader ir;
    BufferedReader in;
    ir=new InputStreamReader(System.in);
    in=new BufferedReader(ir);
    System.out.println("input year is :");
    String s=in.readLine();
    int year=Integer.parseInt(s);

    if (year%4==0 && year%100!=0 || year%400==0)
    {
    System.out.println("year "+year+" is a leap year .");
    }
    else
    {
    System.out.println("year "+year+" is not a leap year .");
    }
    try {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch(Exception e) {
      e.printStackTrace();
    }
    new leapyear();
  }
}