Java DateFormat setLenient()方法及示例

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Java DateFormat setLenient()方法及示例

DateFormat类中setLenient(boolean leniency) 方法用于指定该DateFormat对象的日期和时间的解释是否宽松。

语法

public void setLenient(boolean leniency)

参数: 该方法需要一个布尔类型的参数leniency,指的是DateFormat对象的日历模式。布尔值true打开宽大模式,false关闭宽大模式。

返回值: 该方法不返回任何值。

下面的程序说明了日历类的setLenient()方法的工作情况:

例1 :

// Java code to illustrate// setLenient() method  import java.text.*;import java.util.*;  public class DateFormat_Demo {    public static void main(String[] args)    {        // Initializing the first formatter        DateFormat DFormat            = DateFormat.getDateTimeInstance();        System.out.println("Object: " + DFormat);          // String formatting        String str = DFormat.format(new Date());          // Displaying the string time        System.out.println(str);          System.out.println("Leniency: "                           + DFormat.isLenient());          // Changing the leniency        DFormat.setLenient(false);          // Displaying the modified leniency        System.out.println("New Leniency: "                           + DFormat.isLenient());    }}

输出:

Object: java.text.SimpleDateFormat@7945516eMar 28, 2019 6:03:48 PMLeniency: trueNew Leniency: false

例2 :

// Java code to illustrate// setLenient() method  import java.text.*;import java.util.*;  public class DateFormat_Demo {    public static void main(String[] args)    {        // Initializing the first formatter        DateFormat DFormat            = DateFormat.getDateInstance();          System.out.println("Object: " + DFormat);          // String formatting        String str = DFormat.format(new Date());          // Displaying the string time        System.out.println(str);          System.out.println("Leniency: "                           + DFormat.isLenient());          // Changing the leniency        DFormat.setLenient(false);          // Displaying the modified leniency        System.out.println("New Leniency: "                           + DFormat.isLenient());    }}

输出:

Object: java.text.SimpleDateFormat@ce9bf0a5Mar 28, 2019Leniency: trueNew Leniency: false

参考资料: https://docs.oracle.com/javase/7/docs/api/java/text/DateFormat.html#setLenient(布尔值)

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