java program for calendar using applet
import java.awt.*;
import java.util.GregorianCalendar;
import javax.swing.*;
public class CalendarDisplayApplet extends JApplet {
// Instance Variables
GregorianCalendar calendar = new GregorianCalendar();
int arrange = 7;
int column = 7;
String[] week = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
String[] month = { "January", "Februrary", "March", "April", "May", "June", "July", "August",
"September", "October", "November", "December"};
JLabel[][] grid = new JLabel[arrange][column];
JPanel jpnlCalendar = new JPanel(new GridLayout(7, 7));
int today = calendar.get(GregorianCalendar.DAY_OF_MONTH);
int daysInMonth = calendar.getActualMaximum(GregorianCalendar.DAY_OF_MONTH);
int daysInWeek = calendar.get(GregorianCalendar.DAY_OF_WEEK);
public void init() {
// setting grid
for (int i = 0; i < grid.length; i++) {
for (int j = 0; j < grid[0].length; j++) {
grid[i][j] = new JLabel();
}
}
// grid layout
Container contenu = getContentPane();
for (int i = 0; i < arrange; i++) {
for (int j = 0; j < column; j++) {
jpnlCalendar.add(grid[i][j]);
}
}
// adding JPanels + positions
contenu.add(jpnlCalendar);
// draw week days
for (int i = 0; i < week.length; i++) {
grid[0][i].setText(week[i]);
}
// draw name of month
//for (int m = 0; m < month.length; m++) {
//grid[0][m].setText(month[m]);
// }
//conditions for the calendar
calendar.set(GregorianCalendar.DAY_OF_MONTH, 1);
int daysInWeek = calendar.get(GregorianCalendar.DAY_OF_WEEK)- 1;
System.out.print(daysInWeek);
if (daysInWeek == 0)
daysInWeek = 7;
calendar.set(GregorianCalendar.DAY_OF_MONTH, today);
int days = 1;
for (int k = daysInWeek; k < column; k++) {
grid[1][k].setText(days + "");
if (days == today)
grid[1][k].setText(days + "*");
days++;
}
// draw calendar
for (int i = 2; i <= column; i++) {
for (int j = 0; j < arrange; j++) {
if (days <= daysInMonth) {
grid[i][j].setText(days + "");
if (days == today)
grid[i][j].setText(days + "*");
days++;
}
}
}
}
}