import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
 
class Main {
    public static void main(String[] args) {
        // Convert epoch seconds to Instant
        Instant instant = Instant.ofEpochSecond(1386696238L);
        System.out.println(instant);
 
        // ZoneId.systemDefault() returns the ZoneId set to the JVM. Replace it
        // as desired e.g. to ZoneId.of("America/New_York")
        ZonedDateTime zdt = instant.atZone(ZoneId.systemDefault());
        System.out.println(zdt);
 
        // String representation in a custom format
        String formatted = zdt.format(DateTimeFormatter.ofPattern(
                "MM/dd/uuuu", Locale.ENGLISH));
        System.out.println(formatted);
    }
}

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