Complete source code below will show you, how to create simple calendar in java. This program will prompts the user to enter the year and first day of the year, and display the calendar table for the year on the console.
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COMPLETE SOURCE CODE FOR : JavaSimpleCalendar.java
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import java.util.Calendar;
import java.util.Scanner;
public class JavaSimpleCalendar
{
public static void main(String[]args)
{
Scanner s=new Scanner(System.in);
System.out.print("YEAR : ");
int year=s.nextInt();
System.out.println();
System.out.println("FIRST DAY OF THE YEAR");
System.out.println("1 for MONDAY");
System.out.println("2 for TUESDAY");
System.out.println("3 for WEDNESDAY");
System.out.println("4 for THURSDAY");
System.out.println("5 for FRIDAY");
System.out.println("6 for SATURDAY");
System.out.println("7 for SUNDAY");
System.out.print("FIRST DAY : ");
int firstDay=s.nextInt();
System.out.println();
boolean leapYear=false;
if(year%4==0)
{
leapYear=true;
}
for(int i=1;i<=12;i++)
{
System.out.println("***********************");
System.out.println("MONTH : "+i);
System.out.println("***********************");
if(i==1||i==3||i==5||i==7||i==8||i==10||i==12)
{
System.out.println("M T W TH F S SU");
boolean firstRound=true;
for(int j=1;j<=31;j++)
{
String temp=Integer.toString(j);
if(temp.length()==1)
{
System.out.print(" ");
}
if(firstDay==1)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=1;k++)
{
System.out.print("");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==2)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=3;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==3)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=6;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==4)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=9;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==5)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=12;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==6)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=15;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==7)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=18;k++)
{
System.out.print("-");
}
System.out.println(j+" ");
}
else
{
System.out.println(j+" ");
}
firstDay=0;
firstRound=false;
}
firstDay++;
}
System.out.println("\n");
}
else if(i==2)
{
if(leapYear==true)
{
System.out.println("M T W TH F S SU");
boolean firstRound=true;
for(int j=1;j<=29;j++)
{
String temp=Integer.toString(j);
if(temp.length()==1)
{
System.out.print(" ");
}
if(firstDay==1)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=1;k++)
{
System.out.print("");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==2)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=3;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==3)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=6;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==4)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=9;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==5)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=12;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==6)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=15;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==7)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=18;k++)
{
System.out.print("-");
}
System.out.println(j+" ");
}
else
{
System.out.println(j+" ");
}
firstDay=0;
firstRound=false;
}
firstDay++;
}
System.out.println("\n");
}
else
{
System.out.println("M T W TH F S SU");
boolean firstRound=true;
for(int j=1;j<=28;j++)
{
String temp=Integer.toString(j);
if(temp.length()==1)
{
System.out.print(" ");
}
if(firstDay==1)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=1;k++)
{
System.out.print("");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==2)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=3;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==3)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=6;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==4)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=9;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==5)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=12;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==6)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=15;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==7)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=18;k++)
{
System.out.print("-");
}
System.out.println(j+" ");
}
else
{
System.out.println(j+" ");
}
firstDay=0;
firstRound=false;
}
firstDay++;
}
System.out.println("\n");
}
}
else
{
System.out.println("M T W TH F S SU");
boolean firstRound=true;
for(int j=1;j<=30;j++)
{
String temp=Integer.toString(j);
if(temp.length()==1)
{
System.out.print(" ");
}
if(firstDay==1)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=1;k++)
{
System.out.print("");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==2)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=3;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==3)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=6;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==4)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=9;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==5)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=12;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==6)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=15;k++)
{
System.out.print("-");
}
System.out.print(j+" ");
}
else
{
System.out.print(j+" ");
}
}
else if(firstDay==7)
{
if(firstRound==true&&j==1)
{
for(int k=1;k<=18;k++)
{
System.out.print("-");
}
System.out.println(j+" ");
}
else
{
System.out.println(j+" ");
}
firstDay=0;
firstRound=false;
}
firstDay++;
}
System.out.println("\n");
}
}
}
}
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JUST COMPILE AND EXECUTE IT
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