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Find out how constructors work when you have subclasses of subclasses.

You can have multiple methods with the same name as long as the number and/or types of the parameters is different.

When you pass an object to a method, you are passing a copy of the *reference* to that object. That lets you update an object's ...

An overloaded method has a different signature and is in the same class as another method. An overridden method has the same ...

Creating your first class and instantiating objects from it in Java.

Classes : Part 3 : Operator overloading.

In Java, you can have a two-dimensional array where each row has a different number of elements. This is called a ragged array.

Learn when to use -- and not to use -- exceptions.

Find out the limits of using casting when working with polymorphism.

Quick overview of classes, objects, attributes, constructors, and methods.

Classes : Part 2 : Constructors.

ADSB 05_06.

ArrayLists let you store an arbitrary number of items, unlike Arrays, which have a fixed length. Here are some of the most-used ...

ADSB 05_07. A bunch of miscellaneous thoughts on inheritance, interfaces, etc.

Composite over inheritance is an OOP design principle we've followed for several years. Like me, you might have seen it in the ...

Like any other language, Java has the enum feature that allows us to enumerate items. It is helpful to list delimited items in your ...

In Java, you can have a two-dimensional array where each row has a different number of elements. This is called a ragged array.

This is my Technology Related information.Like "O" Level,"CCC", "Webdesign", "C" language, "C++" "Php","Java","Java Script", ...

As software architects and designers, we have a common goal: Simplicity. We want to archive success, mainly because the clarity ...

Learn when to use System.out.print() and when to use System.out.println().