java snippet

snippet.java

#Random
## Secure random generating
private static final int NUMBER_OF_CARDS = 52;
private static final SecureRandom randomNumbers = new SecureRandom();
int second = randomNumbers.nextInt(NUMBER_OF_CARDS)

#Printing
##Printing values with leading zeros 0:

System.out.printf("valu:e %s%n", counter );
String.format("%02d:%02d:%02d", hour, minute, second);
String.format("%d:%02d:%02d %s", ((hour == 0 || hour == 12) ? 12 : hour % 12), minute, second, (hour < 12 ? "AM" : "PM"));