ืื ืื java.util.Date Class?
import java.util.Date;
ืืื ืืื ืืื ืฉื java.util.Date?
ืืืืืงื java.util.Date ืืฉ ืืขืืงืจ ืฉื ื ืื ืืื ืืืชืืืจ ืืืื.ืชึทืึฒืจึดืื()
ืืื ืื ืืจืืฉืื ืฉื java.util.Date ืืื Date() . ืื ืืืชืื ืืช ืืืืืืืงื ืขื ืืชืืจืื ืืืฉืขื ืื ืืืืืื.Date date = new Date();
ืืื, ืื ื ืืืชืืืื ืืฉืชื ื ืชืืจืื ืืกืื Date ืขื ื ืชืื ืื ืืฉืขื ื ืืืืืื.
import java.util.Date;
public class Example {
public static void main(String[] args) {
Date date = new Date();
System.out.println(date);
}
}
ืชึฐืคืึผืงึธื
ืชืืจืื (ืืืืืฉื ืืืช ืืจืืืืช)
ืื ืื java.util.Date ืื ืืืฆืจ ืืืืืืงื ืชืืจืื ืฉืฉืืื ืืืกืคืจ ืืืืคืืืช ืืฉื ืืืช ืฉืืืคื ืืื 1 ืืื ืืืจ 1970, 00:00:00 GMT.long ms = System.currentTimeMillis();
Date date = new Date(ms);
ืืื, ืืชืืื ื ืืช ืืฉืชื ื ืืชืืจืื ืขื ืืชืืจืื ืืืฉืขื ืื ืืืืืื ืจืง ืืืืจ ืืขืืจืช ืืืืคืืืช ืืืืืืงืืช ืขื ืขืืฉืื ืืจื System.currentTimeMillis(); ืืืขืืจ ืืืืขืื ืืื ืื.
import java.util.Date;
public class Example1 {
public static void main(String[] args) {
long ms = System.currentTimeMillis();
Date date = new Date(ms);
System.out.println(date);
}
}
ืชึฐืคืึผืงึธื
ืืื ืฉืืืืช java.util.Date
ืืืื ืืฉืืืืช ืืืฉืืืืช ืฉื java.util.Date .-
boolean after(Date date) : ืืืืืจื true ืื ืืชืืจืื ืืื ืืื ืืืจื ืืชืืจืื ืฉืืืขืืจ ืืืจืืืื ื.
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boolean before(Date date) : ืืืืืจื true ืื ืืชืืจืื ืืื ืืื ืืคื ื ืืชืืจืื ืฉืืืขืืจ ืืืจืืืื ื.
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int compareTo(ืชืืจืื ืชืืจืื) : ืืฉืืื ืชืืจืื ื ืชืื ืืชืืจืื ืื ืืืื.
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ืืืืืื ื ืฉืืื (ืชืืจืื ืชืืจืื) : ืืฉืืื ืฉืืืืื ืืื ืชืืจืื ื ืืืื ืืชืืจืื ื ืชืื. ืืืืืจื ืืืช ืื ืื ืืืื.
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long getTime() : ืืืืืจื ืืช ืืฉืขื ืฉืืืืืืงื ืชืืจืื ืื ืืืืฆื.
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void setTime(ืืื ืืจืื) : ืืฉื ื ืืช ืืฉืขื ืื ืืืืืช ืืืื ืื ืชืื.
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String toString() : ืืืืจื ืชืืจืื ืื ืืืืืืืงื ืืกืื String.
ืืืืื ื-java.util.Date
import java.util.Date;
public class Example2 {
public static void main(String args[]) {
long ms = 900000000;
Date date1 = new Date(ms);
System.out.println("date1 : " + date1);
Date date2 = new Date();
System.out.println("date2 : " + date2);
boolean after = date2.after(date1);
System.out.println("Is date2 after date1 : " + after);
boolean before = date2.before(date1);
System.out.println("Is date2 before date1 : " + before);
}
}
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