This is the main logic class.
It does not contain a main method.
Create a folder named calendarlogic and paste the class in that folder.
Download this Code click
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//---------------------------------------CODE SNIPPET---------------------------------------------------
package calendarlogic;
/**
*
* @author Nayak
*/
public class Calendarlogic {
/*----------------------Author Arani Nayak----------------------------*/
/*---------------------Calender (Version3.1)--------------------------*/
int a,year,diff,d,i=1,j,k,dm,l;
long days;
int st=1900,ch;
int month;
/// Creating a constructor named Calendarlogic, with intake parameters y, and m
/// y will intake year as input and m the month to be displayed.. Both the value will
/// be in integers...
public Calendarlogic(int y, int m) {
this.year = y;
this.month = m;
if(year<1900 || year>5000)
{
System.out.println("Enter an year within 1900-5000 A.D.");
}
else{
if(month>=1 && month <=12)
{
a=0;
for(i=st;i
{
if((i%400==0) || (i%4==0 && i%100!=0))
a++;
}
if(month==1 || month==3 ||month==5 || month==7 || month==8 || month==10 ||month==12)
dm=31;
else if(month==2)
dm=28;
else dm=30;
if((month==2) && ((year%400==0) || (year%4==0 && year%100!=0)))
dm=29;
System.out.format("%20d",year);
System.out.print(" ");
if(month==1){System.out.print("Jan"); l=0;}
if(month==2){System.out.print("Feb"); l=31;}
if(month==3){System.out.print("Mar"); l=59;}
if(month==4){System.out.print("Apr"); l=90;}
if(month==5){System.out.print("May"); l=120;}
if(month==6){System.out.print("Jun"); l=151;}
if(month==7){System.out.print("Jul"); l=181;}
if(month==8){System.out.print("Aug"); l=212;}
if(month==9){System.out.print("Sep"); l=243;}
if(month==10){System.out.print("Oct"); l=273;}
if(month==11){System.out.print("Nov"); l=304;}
if(month==12){System.out.print("Dec"); l=334;}
System.out.println("");
if((month>2) && ((year%400==0) || (year%4==0 && year%100!=0)))
l++;
diff = year-st;
days = diff*365+a+l;
if(days%7==0)
d=0;
else if(days%7==1)
d=1;
else if(days%7==2)
d=2;
else if(days%7==3)
d=3;
else if(days%7==4)
d=4;
else if(days%7==5)
d=5;
else
d=6;
System.out.println(" Mon Tue Wed Thu Fri Sat Sun");
for(j=0;j<5*d;j++)
System.out.print(" ");
i=1;
for(j=0;j<6;j++){
for(k=d;k<7&&i<=dm;k++){
System.out.format("%5d",i);
i++; }
d=0;
System.out.println("");
}
} //end of if(month checking)
else{
System.out.println("Value of month Entered should be within 1-12");
}
}// end of else
} // end of constructor
}// end of class
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Driver class to use the above Java class :
Download this Code click
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import calendarlogic.Calendarlogic;
/**
*
* @author Nayak
*/
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
Calendarlogic cl = new Calendarlogic(2010,10);
}
}
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N.B: Feel free to copy the code.
