import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
 
public class Main {
	public static void main(String[] args) {
		// A sample timestamp as Unix epoch (i.e. seconds from 01-01-1970T00:00:00 GMT)
		long epochSeconds = 1632131465L;
 
		// Note: Use Instant#ofEpochMilli in case you have timestamp in milliseconds
		Instant instant = Instant.ofEpochSecond(epochSeconds);
		System.out.println(instant);
 
		LocalDateTime ldt = LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
		System.out.println(ldt);
	}
}

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