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Notes on Java, architecture, cloud, and AI. Filter by month or tags to jump to a topic quickly.
Spring Boot Security – Secure REST API
In this article, we will learn how to secure the REST API using Spring Boot Security's Basic Authentication.With security in place, our application will provide the data to the user who is authenticated by basic authentication.
Java 17 – New features
With the new Java release cadence, we see a new Java release every 6 months, but we need to be careful about LTS releases.On September 20, 2021, the latest LTS version of Java was released, Java 17. For mature or production-ready applications
Java 8 Stream API – Exception I
In this part we will discuss a common exception that we may encounter when working with Streams in Java 8
Java – How to convert an Enumeration into a Stream?
Enumeration is an interface that was introduced in an older version of Java and is used to store a sequence of elements.An object that implements this interface generates a series of elements, one by one.Calling the nextElement method returns a successive element in the series.
Java Streams – Terminal Operations with Examples
In this article, we will learn terminal operations of Java Streams such as AnyMatch, Collectors, Count, FindAny, FindFirst, Min, Max, NoneMatch and AllMatch.
JPA/Hibernate – Embedding a Composite Primary Key (@Embeddable, @EmbeddedId)
In this example, we will learn how to embed a composite primary key, we will declare the IDs (primary key fields) as a separate class annotated with the @Embeddable annotation.A student is identified by its StudentCompositeId, which is defined by eleveId and class.
Keywords – JDK, JRE And JVM, What is it?
JDK, JRE and JVM are the three most important keywords that are often heard in Java programming language and even many Java developers fail to differentiate between them or think that they are the same.At the end of this article, we will know the answers
