Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...

Obviously that doesn't compile, but I hate to make a file FooType.java with just the 5 lines above in it. Obviously that doesn't compile, but I hate to make a file ...

Google is replacing its implementation of the Java application programming interfaces (APIs) in Android with OpenJDK, the open source version of Oracle's Java Development Kit (JDK). The news first ...

In the world of IDE-based development, programmers can easily become detached from JDK and the underlying technology that makes their applications work. Here is a list of the five most useful Java ...