Ars Technica

Java: ArrayList.contains(Object o) isn't calling the correct equals method

It's not terribly clean, but you could use indexOf() and check if it returns -1. Better than breaking out a loop.
InfoWorld

Class and object initialization in Java

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...
Android Authority

How to create an array in Java

An array in Java is a type of variable that can store multiple values. It stores these values based on a key that can be used to subsequently look up that information. Arrays can be useful for ...
TheServerSide

Java array size, length and loop examples

Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...
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 ...
TheServerSide

Find duplicates in a List in Java

Community driven content discussing all aspects of software development from DevOps to design patterns. It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java ...