Java 使用日历在当前时间上加或减小时
使用日历在当前时间上加或减小时
实例源码：
源代码：
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import java.util.Calendar;4
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/*7
来 自*8
时 代 J a v a 公 众 号9
*/10
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public class Main {12
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public static void main(String[] args) {16
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Calendar now = Calendar.getInstance();18
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System.out.println("Current Date : " + (now.get(Calendar.MONTH) + 1)22
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+ "-"24
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+ now.get(Calendar.DATE)26
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+ "-"28
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+ now.get(Calendar.YEAR));30
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System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY)34
/**35
* N o w J a v a . c o m - 时代Java 提 供 36
**/37
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+ ":"39
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+ now.get(Calendar.MINUTE)41
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+ ":"43
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+ now.get(Calendar.SECOND));45
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//add hours to current date using Calendar.add method49
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now.add(Calendar.HOUR,10);51
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System.out.println("New time after adding 10 hours : "55
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+ now.get(Calendar.HOUR_OF_DAY)57
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+ ":"59
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+ now.get(Calendar.MINUTE)61
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+ ":"63
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+ now.get(Calendar.SECOND));65
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System.out.println("New date after adding 10 hours : "69
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+ (now.get(Calendar.MONTH) + 1)71
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+ "-"73
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+ now.get(Calendar.DATE)75
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+ "-"77
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+ now.get(Calendar.YEAR));79
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//subtract hours from current date using Calendar.add method83
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now = Calendar.getInstance();85
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