TemporalAdjuster 是做日期数学计算。例如,要获得“本月第二个星期六”或“下周二”。
让我们来看看他们的操作。
选择使用任何编辑器创建以下java程序在 C:/> JAVA
Java8Tester.java
import java.time.LocalDate;import java.time.temporal.TemporalAdjusters;import java.time.DayOfWeek;public class Java8Tester {
public static void main(String args[]){
Java8Tester java8tester = new Java8Tester();
java8tester.testAdjusters();
}
public void testAdjusters(){
//Get the current date
LocalDate date1 = LocalDate.now();
System.out.println("Current date: " + date1);
//get the next tuesday
LocalDate nextTuesday = date1.with(TemporalAdjusters.next(DayOfWeek.TUESDAY));
System.out.println("Next Tuesday on : " + nextTuesday);
//get the second saturday of next month
LocalDate firstInYear = LocalDate.of(date1.getYear(),date1.getMonth(), 1);
LocalDate secondSaturday = firstInYear.with(
TemporalAdjusters.nextOrSame(DayOfWeek.SATURDAY)).with(
TemporalAdjusters.next(DayOfWeek.SATURDAY));
System.out.println("Second saturday on : " + secondSaturday);
} }
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