program to print calendar in java
import java.util.*;
class Calendar
{
public static void main(String ar[])
{
int a=0,E=0,A=0,D=0;
int end=0;
int t=1;
char y[]=new char[4];
int year[]=new int[4];
int c[]=new int[2];
System.out.println("enter any date ");
Scanner in=new Scanner(System.in);
int d=in.nextInt();//day
int m=in.nextInt();//month
in.nextLine();
String yy=in.nextLine();//year
System.out.println(d+"/"+m+"/"+yy);
int B=Integer.parseInt(yy);
c[0]=B/100;
c[1]=B%100;
int dd=d%7;
if ((B%4==0)&&(m==2))
{
end=29;
}
else if(m==2)
end=28;
switch(m)
{
case 1:a=0;
end=31;
break;
case 2:a=3;
break;
case 3:a=3;
end=31;
break;
case 4:a=6;
end=30;
break;
case 5:a=1;
end=31;
break;
case 6:a=4;
end=30;
break;
case 7:a=6;
end=31;
break;
case 8:
a=2;
end=30;
break;
case 9:a=5;
end=31;
break;
case 10:a=0;
end=30;
break;
case 11:a=3;
end=31;
break;
case 12:a=5;
end=30;
break;
default :
System.out.println("wrong month");
}
int x=c[0]/4;
x++;
x*=4;int C=0;
A=((x-1)-c[0])*2;
if(m==1||m==2 && B%4==0)
{
C=((c[1]+(c[1]/4))%7)-1;
}
else
{ C=(c[1]+(c[1]/4))%7;
}
D=(dd+a+A+C)%7;//offset value of day
switch(D)
{ case 0:
System.out.println("sunday");
break;
case 1:
System.out.println("monday");
break;
case 2:
System.out.println("tuesday");
break;
case 3:
System.out.println("wednesday");
break;
case 4:
System.out.println("thursday");
break;
case 5:
System.out.println("friday");
break;
case 6:
System.out.println("saturday");
break;
default :
System.out.println("you have given wrong date");
break;
}
System.out.println(" CALENDAR OF ENTERED MONTH"+m" AND "+B+"year");
System.out.println(" _______________________________________");
System.out.println("sun mon tue wed thurs fri sat");
E=(1+a+A+C)%7;
switch(E)
{
case 0:System.out.print(" 1 ");
break;
case 1:
System.out.print("\t1 ");
break;
case 2:
System.out.print("\t\t1 ");
break;
case 3:
System.out.print("\t\t\t1 ");
break;
case 4:
System.out.print("\t\t\t\t1 ");
break;
case 5:
System.out.print("\t\t\t\t\t1 ");
break;
case 6:
System.out.print("\t\t\t\t\t\t1 ");
break;
}
int i=2;
for(i=2;i<=(7-E);i++)
{
System.out.print(" "+i+" ");
}
System.out.println();
for(int j=i;j<=end;j++)
{
if(t==8)
{
System.out.println();
t=1;
}
if(j==1||j==2||j==3||j==4||j==5||j==6||j==7||j==8||j==9)
System.out.print(" "+j+" ");
else
System.out.print(j+" ");
t++;
}
}
}
OUTPUT
class Calendar
{
public static void main(String ar[])
{
int a=0,E=0,A=0,D=0;
int end=0;
int t=1;
char y[]=new char[4];
int year[]=new int[4];
int c[]=new int[2];
System.out.println("enter any date ");
Scanner in=new Scanner(System.in);
int d=in.nextInt();//day
int m=in.nextInt();//month
in.nextLine();
String yy=in.nextLine();//year
System.out.println(d+"/"+m+"/"+yy);
int B=Integer.parseInt(yy);
c[0]=B/100;
c[1]=B%100;
int dd=d%7;
if ((B%4==0)&&(m==2))
{
end=29;
}
else if(m==2)
end=28;
switch(m)
{
case 1:a=0;
end=31;
break;
case 2:a=3;
break;
case 3:a=3;
end=31;
break;
case 4:a=6;
end=30;
break;
case 5:a=1;
end=31;
break;
case 6:a=4;
end=30;
break;
case 7:a=6;
end=31;
break;
case 8:
a=2;
end=30;
break;
case 9:a=5;
end=31;
break;
case 10:a=0;
end=30;
break;
case 11:a=3;
end=31;
break;
case 12:a=5;
end=30;
break;
default :
System.out.println("wrong month");
}
int x=c[0]/4;
x++;
x*=4;int C=0;
A=((x-1)-c[0])*2;
if(m==1||m==2 && B%4==0)
{
C=((c[1]+(c[1]/4))%7)-1;
}
else
{ C=(c[1]+(c[1]/4))%7;
}
D=(dd+a+A+C)%7;//offset value of day
switch(D)
{ case 0:
System.out.println("sunday");
break;
case 1:
System.out.println("monday");
break;
case 2:
System.out.println("tuesday");
break;
case 3:
System.out.println("wednesday");
break;
case 4:
System.out.println("thursday");
break;
case 5:
System.out.println("friday");
break;
case 6:
System.out.println("saturday");
break;
default :
System.out.println("you have given wrong date");
break;
}
System.out.println(" CALENDAR OF ENTERED MONTH"+m" AND "+B+"year");
System.out.println(" _______________________________________");
System.out.println("sun mon tue wed thurs fri sat");
E=(1+a+A+C)%7;
switch(E)
{
case 0:System.out.print(" 1 ");
break;
case 1:
System.out.print("\t1 ");
break;
case 2:
System.out.print("\t\t1 ");
break;
case 3:
System.out.print("\t\t\t1 ");
break;
case 4:
System.out.print("\t\t\t\t1 ");
break;
case 5:
System.out.print("\t\t\t\t\t1 ");
break;
case 6:
System.out.print("\t\t\t\t\t\t1 ");
break;
}
int i=2;
for(i=2;i<=(7-E);i++)
{
System.out.print(" "+i+" ");
}
System.out.println();
for(int j=i;j<=end;j++)
{
if(t==8)
{
System.out.println();
t=1;
}
if(j==1||j==2||j==3||j==4||j==5||j==6||j==7||j==8||j==9)
System.out.print(" "+j+" ");
else
System.out.print(j+" ");
t++;
}
}
}
OUTPUT
enter any date
22/5/2017
monday
CALENDAR OF ENTERED MONTH 5 AND 2017year
sun mon tue wed thurs fri sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
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