日付関連
現在の日付を表示
Calendar calendar = Calendar.getInstance();
String[] aWeekDay = {"日", "月", "火", "水", "木", "金", "土"};
String date = String.valueOf(calendar.get(Calendar.YEAR)) + '年';
date = date + String.valueOf(calendar.get(Calendar.MONTH) + 1) + '月';
date = date + String.valueOf(calendar.get(Calendar.DAY_OF_MONTH)) + '日';
date = date + '(' + aWeekDay[calendar.get(Calendar.DAY_OF_WEEK)-1] + ')';