日历类
public class CalenderTest {
public static void main(String[] args) {
Calendar instance = Calendar.getInstance();
System.out.println(instance);
System.out.println(instance.get(Calendar.YEAR));
System.out.println(instance.get(Calendar.MONTH) + 1);
System.out.println(instance.get(Calendar.DATE));
System.out.println(instance.get(Calendar.DAY_OF_YEAR));
instance.setTime(new Date());
instance.add(Calendar.YEAR, 1);
}
}
练习 - 打印当前日历
public class PrintDate {
public static void main(String[] args) {
System.out.println("一\t二\t三\t四\t五\t六\t日");
Calendar firstDate = Calendar.getInstance();
firstDate.set(Calendar.DAY_OF_MONTH,1);
int maxDay = firstDate.getMaximum(Calendar.DAY_OF_MONTH);
for (int i = 0; i < maxDay; i++) {
int dayOfWeek = firstDate.get(Calendar.DAY_OF_WEEK);
int dayOfMonth = firstDate.get(Calendar.DAY_OF_MONTH);
if(i==0){
if(dayOfWeek == Calendar.SUNDAY){
for (int i1 = 0; i1 < 6; i1++) {
System.out.print("\t");
}
System.out.println(dayOfMonth);
}else{
for (int i1 = 0; i1 < dayOfWeek-1; i1++) {
System.out.print("\t");
}
System.out.print(dayOfMonth);
}
}else{
if( dayOfWeek == Calendar.SUNDAY){
System.out.println(dayOfMonth);
}else{
System.out.print(dayOfMonth);
System.out.print("\t");
}
}
firstDate.add(Calendar.DATE,1);
}
}
}
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