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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 ...

Classes : Part 3 : Operator overloading.

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.

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

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

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

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.

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

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

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.

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 ...

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

Primitives (int, double, etc.) have values stored in their memory locations. Objects have references to the memory where the data ...

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

Constructing an object with attributes and methods; conversion to string with __str__, learning about “self”.

Write a method that will take any number of arguments you would like to pass to it; it will treat them as an array.