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

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

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 ...

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

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

Classes : Part 2 : Constructors.

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.

ADSB 05_06.

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

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

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

Converting Arrays to ArrayLists, and the remove(), contains(),indexOf(), and lastIndexOf() methods.

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

The TimedTestFramework is a Java class that you can extend to implement a doTest() method. Then, you can make an instance of ...

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

What if Javascript lost its closure and lexical scope? I added dynamic scoping to a JS engine to explore this question. What if JS ...

You can create properties and methods that are independent of any specific instance of the class, but rather belong to the class as ...

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