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Java Exercises: Display the current date time in specific format

Java Basic: Exercise-47 with Solution

Write a Java program to display the current date time in specific format.

Pictorial Presentation:

Java: Display the current date time in specific format

Sample Solution:

Java Code:

 import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;

public class Exercise47 {

	public static void main(String args[]) {
		SimpleDateFormat cdt = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.SSS");
		cdt.setCalendar(Calendar.getInstance(TimeZone.getTimeZone("GMT")));
		
		System.out.println("\nNow: "+cdt.format(System.currentTimeMillis()));
	}
}

Sample Output:

Now: 2017/06/16 08:52:03.066  

Flowchart :

Flowchart: Java exercises: Display the current date time in specific format

Java Code Editor:

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Java: Tips of the Day

getEnumMap

Converts to enum to Map where key is the name and value is Enum itself.

public static <E extends Enum<E>> Map<String, E> getEnumMap(final Class<E> enumClass) {
    return Arrays.stream(enumClass.getEnumConstants())
            .collect(Collectors.toMap(Enum::name, Function.identity()));
}

Ref: https://bit.ly/3xXcFZt