Question

How to format the current hour into a String using String.format() in Java

Answer 1

package javaapplication1;

import java.time.Instant;
import java.util.Calendar;
import java.util.Date;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            Calendar cal = Calendar.getInstance();
            cal.setTime(Date.from(Instant.now()));
      
            String s = String.format("A: %tH B: %1$tI C: %1$tk D: %1$tl", cal);
            
            System.out.println(s);

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
             
run:

A: 18 B: 06 C: 18 D: 6
    
 */

 

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