TheServerSide

Simple Java 8 Predicate example with lambda expressions and interfaces

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, ...
TheServerSide

Java Supplier interface example for functional programming

There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package contains well over 40 different components, but ...
Android Authority

Java tutorial for beginners: Write a simple app with no previous experience

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...
InfoWorld

How to use generics in your Java programs

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...
InfoWorld

Sizeof for Java

Q: Does Java have an operator like sizeof() in C? A: A superficial answer is that Java does not provide anything like C’s sizeof(). However, let’s consider why a Java programmer might occasionally ...