Java 8 introduces a new date and time API defined inside the java.time package. The key date and time classes defined in this package are LocalDateTime, ZonedDateTime, and OffsetDateTime. OffsetDateTime is an immutable representation of a date-time with an offset from UTC. It stores all date and time fields, to a precision of nanoseconds. For example, you can […]Continue reading
While developing applications, we often need to generate random numbers. Java provides support to generate random numbers primarily through the java.lang.Math and java.util.Random classes. Java also has the ability to generate secure random with java.security.SecureRandom, and random numbers isolated to the current thread with java.util.concurrent.ThreadLocalRandom. You can use the java.util.Random class to generate random numbers of different […]Continue reading
The majority of the time when you’re working with Maps in Java, you’ll be accessing the map values via the key. There are times you need to walk the map like a list. There’s a number of ways to do this in Java, which have grown over time as the language has evolved. Let’s take […]Continue reading
