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 ...

Java developers have long desired the ability to quickly initialize contents of a List or Set. Yet, it’s strange that so many developers are unaware of Java’s relatively new double brace ...

That means you can’t follow the word length with round brackets. To set the size of a Java array, explicitly state the intended capacity of the array when you initialize it with the new keyword, as ...