Java 中的 Date setTime()方法，示例
原文:https://www . geesforgeks . org/date-set time-method-in-Java-with-examples/
Java Date 类的 setTime() 方法设置日期对象。它将 date 对象设置为表示 1970 年 1 月 1 日 00:00:00 GMT 之后的时间毫秒。 语法:
public void setTime(long time)
参数:函数接受单个参数时间，指定毫秒数。
返回值: It 方法没有返回值。
异常:函数不抛出任何异常。
下面的程序演示了上述功能:
程序 1:
// Java code to demonstrate
// setTime() function of Date class
import java.util.Date;
import java.util.Calendar;
public class GfG {
// main method
public static void main(String[] args)
{
// creating a date object with specified time.
Date dateOne = new Date();
System.out.println("Date initially: "
+ dateOne);
// Sets the time
dateOne.setTime(1000);
// Prints the time
System.out.println("Date after setting"
+ " the time: "
+ dateOne);
}
}
Output:
Date initially: Wed Jan 02 09:34:03 UTC 2019
Date after setting the time: Thu Jan 01 00:00:01 UTC 1970
程序 2:
// Java code to demonstrate
// setTime() function of Date class
import java.util.Date;
import java.util.Calendar;
public class GfG {
// main method
public static void main(String[] args)
{
// creating a Calendar object
Calendar c1 = Calendar.getInstance();
// set Month
// MONTH starts with 0 i.e. ( 0 - Jan)
c1.set(Calendar.MONTH, 11);
// set Date
c1.set(Calendar.DATE, 05);
// set Year
c1.set(Calendar.YEAR, 1996);
// creating a date object with specified time.
Date dateOne = c1.getTime();
System.out.println("Date initially: "
+ dateOne);
// Sets the time
dateOne.setTime(1000999);
// Prints the time
System.out.println("Date after setting"
+ " the time: "
+ dateOne);
}
}
Output:
Date initially: Thu Dec 05 09:32:53 UTC 1996
Date after setting the time: Thu Jan 01 00:16:40 UTC 1970
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