java如何列印萬年曆
阿新 • • 發佈:2018-12-25
Scanner input=new Scanner(System.in);
System.out.println("<<<<<萬年曆>>>>>");
int year=0;
int month=0;
System.out.print("請輸入年份:");
year=input.nextInt();
System.out.print("請輸入月份:");
month=input.nextInt();
//例項化一個當前的日曆物件
Calendar cd=Calendar.getInstance();
//設定日曆物件的年,月,日
cd.set(Calendar.YEAR, year);
cd.set(Calendar.MONTH, month-1);
cd.set(Calendar.DATE, 1);
//得到當前月份的最大值
int day=cd.getActualMaximum(Calendar.DATE);
//得到本月的第一天是星期幾
int week=cd.get(Calendar.DAY_OF_WEEK);
int count=0;//一個計數變數
System.out.println("\n\t\t"+year+"年"+month+"月\n");
//列印日曆的星期
String strDate[]={"日\t","一\t","二\t","三\t","四\t","五\t","六\t"};
for(int i=0;i<strDate.length;i++)
{
System.out.print(strDate[i]);
}
System.out.println("\n");
//判斷第一天對應的是星期幾
while(count<week-1)
{
System.out.print("\t");
count++;
}
//迴圈列印日曆
for(int l=1;l<=day;l++,count++)
{
//包含前面的空格
if(count%7==0)
{
System.out.println();
}
System.out.print(l+"\t");
}
System.out.println("<<<<<萬年曆>>>>>");
int year=0;
int month=0;
System.out.print("請輸入年份:");
year=input.nextInt();
System.out.print("請輸入月份:");
month=input.nextInt();
//例項化一個當前的日曆物件
Calendar cd=Calendar.getInstance();
//設定日曆物件的年,月,日
cd.set(Calendar.YEAR, year);
cd.set(Calendar.MONTH, month-1);
cd.set(Calendar.DATE, 1);
//得到當前月份的最大值
int day=cd.getActualMaximum(Calendar.DATE);
//得到本月的第一天是星期幾
int week=cd.get(Calendar.DAY_OF_WEEK);
int count=0;//一個計數變數
System.out.println("\n\t\t"+year+"年"+month+"月\n");
//列印日曆的星期
String strDate[]={"日\t","一\t","二\t","三\t","四\t","五\t","六\t"};
for(int i=0;i<strDate.length;i++)
{
System.out.print(strDate[i]);
}
System.out.println("\n");
//判斷第一天對應的是星期幾
while(count<week-1)
{
System.out.print("\t");
count++;
}
//迴圈列印日曆
for(int l=1;l<=day;l++,count++)
{
//包含前面的空格
if(count%7==0)
{
System.out.println();
}
System.out.print(l+"\t");
}