| << Chapter < Page | Chapter >> Page > |
The increment operator may be used with both prefix and postfix notation. Basically, the increment operator causes the value of the variable towhich it is applied to be increased by one.
With prefix notation, the operand appears to the right of the operator (++X) , while with postfix notation, the operand appears to the left of the operator (X++) .
The difference in behavior has to do with the point in the sequence of operations that the increment actually occurs.
With the prefix version, the variable is incremented before it is used to evaluate the larger overall expression in which it appears. With the postfix version, the variable is used to evaluate the larger overall expression and then the variableis incremented.
The symbol for the increment operator is two plus signs with no space between them (++).
False: The increment operator is a unary operator.
The cast operator is used to purposely convert from one type to another.
The plus sign (+) is automatically overloaded in Java. The plus sign can be used to perform arithmetic addition. It can also be used to concatenatestrings. However, the plus sign does more than concatenate strings. It also performs a conversion to String type. When the plus sign is used to concatenate strings and one operand is a string, the other operand is automaticallyconverted to a character string before being concatenated with the existing string.
The operators listed in order are:
where the cast operator is being used to cast to the type char .
Java does not support operator overloading by programmers.
For those languages that support it (such as C++) operator overloading means that the programmer can redefine the behavior of an operatorwith respect to objects of a new type defined by that program.
Both. As a binary operator, the minus sign causes its right operand to be subtracted from its left operand. As a unary operator, the minus sign causes the algebraic sign of the right operand to be changed.
An operator that operates on two operands is called a binary operator.
An operator that operates on only one operand is called a unary operator.
An operator performs an action on one or two operands.
This section contains a variety of miscellaneous information.
Financial : Although the Connexions site makes it possible for you to download aPDF file for this module at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, youshould be aware that some of the HTML elements in this module may not translate well into PDF.
I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version ofthe module.
In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale onAmazon.com showing me as the author. I neither receive compensation for those sales nor do I know who does receive compensation. If youpurchase such a book, please be aware that it is a copy of a module that is freely available on cnx.org and that it was made andpublished without my prior knowledge.
Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.
-end-
Notification Switch
Would you like to follow the 'Object-oriented programming (oop) with java' conversation and receive update notifications?
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|