Java Tutorials

Functional interface in java 0

Functional Interface in Java

In our last article, we discussed the Reflection API in Java. In this article, we will discuss the Functional interface in Java and @FunctionalInterface Annotation in Java. Within@FunctionalInterface Annotation, we will discuss the Java.util.function...

How to Verify Java Version 0

How to Verify Java Version

Java is the Programming Language and computing platform that was released by Sun Microsystems in 1995. Java Language has two main components: JDK (Java Development Kit) and JRE (Java Runtime Environment). The Java Development...

HashMap vs HashSet 0

HashMap vs HashSet in Java

We are going to discuss the differences between HashSet vs HashMap in this article. These are two of the most important Collection classes in Java. They are present in the java.util package. We use...