wanyear.java

一些Java的小的应用程序

import   javax.swing.*;   
import   java.lang.*;   
  public   class   Wanyear   
  {  public   static   void   main(String[]   args)   
  { String   input=JOptionPane.showInputDialog ("输入年份：");   
     int   year=Integer.parseInt(input);   
     String   input1=JOptionPane.showInputDialog("输入月份：");   
    int   m=Integer.parseInt(input1);   
   String   input2=JOptionPane.showInputDialog("输入号数：");   
   int   d=Integer.parseInt(input2); 
   String   Nyear=Integer.toString(year);   
  String   Sc=Nyear.substring(0,1);   
  String   Sy=Nyear.substring(2,3);   
  int   c=Integer.parseInt(Sc);   
 int   y=Integer.parseInt(Sy);   
 if(m<3){year--; m+=12;}   
 else  c--;   
  int   w=(c/4)-(2*c)+y+(y/4)+(13*(m+1)/5)+d-1;   
  int   result=0;   
  if(w>=0)result=w%7;   
  else   result=(w+700)%7;   
  switch(result){ case   0:   System.out.println("星期日");   break;   
                  case   1:   System.out.println("星期一");   break;   
                  case   2:   System.out.println("星期二");   break;   
                  case   3:   System.out.println("星期三");   break;   
                  case   4:   System.out.println("星期四");   break;   
                  case   5:   System.out.println("星期五");   break;   
                  case   6:   System.out.println("星期六");   break;   
          }                   
          }   
  }