Java Programming

Operator overloading is possible in java or not?

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2009-07-24 05:56:01
2009-07-24 05:56:01

Operator overloading is not possible in Java.

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Java does not support operator overloading because Sun deliberately omitted it, citing simplicity as the reason for omission.


Operator overloading refers to redefining what the mathematical operators (+-*/) do when applied to different objects. Java does not support operator overloading.


Java does not support user defined operator overloading.The operator '+' is overloaded in Java and can be used for adding both numbers and Strings.


Java does not support operator overloading. Operator overloading is the scenario where you overload a particular operator to do something that it is not designed to do. Ex: if you make the operator "*" do addition or the operator "-" do multiplication, imagine the chaos that would ensue in your program. So the java designers blocked this feature of operator overloading.


Java does not support operator overloading. Operator overloading is the scenario where you overload a particular operator to do something that it is not designed to do. Ex: if you make the operator "*" do addition or the operator "-" do multiplication, imagine the chaos that would ensue in your program. So the java designers blocked this feature of operator overloading.



Java does not support operator overloading. Operator overloading is the scenario where you overload a particular operator to do something that it is not designed to do. Ex: if you make the operator "*" do addition or the operator "-" do multiplication, imagine the chaos that would ensue in your program. So the java designers blocked this feature of operator overloading.


== == === === === === === === Some Body told me that operator overloading is not there because it violates the transparency of java.since there is no hiding of information in java it does support op overloading === === === === === === Pranab Kumar Rana Software Engineer..... === === === ===


No. Operator and/or function overloading is only a C++ thing.


Operator overloading was a feature of C++ that the Java language designers thought was too complicated and not useful enough to include.


There is no concept of operator overloading in java, at least it is not available to the developers. There are still instances of operator overloading as in the case of "+" operator. It is used both to perform arithmetic sum as well as concatenation of two strings. But one cannot impart additional functions to an existing operator as in the case of C++.


You cannot explicitly overload an operator in Java but by default the + symbol is overloaded. You can use it to add numeric values as well as concatenate strings.


Java does not support object overriding. It does support operator overloading by means of the "+" symbol which is used for both numeric addition as well as string concatenation.


Operator overloading involving vector types is not supported.


Maybe because Sun said so. We have to bear with so many other idiosyncrasies too. But I guess that comes with every language. There were two major reasons why operator overloading wasn't allowed in Java: "cleanliness" and compiler complexity. The main reason was the first, a personal preference choice made by Java's creator, James Gosling. Operator overloading, while useful, can be exceedingly confusing, much more so than method overloading. Given the human tendency to assign specific meanings to single symbols, it is hard to get programmers to wrap their heads around multiple meanings for operators. What this means is that there is a marked increase in programming errors when a language supports operator overloading. Since practically the same benefit can be obtained via methods, the Java designers decided that the increased programmer mistake rate was not worth supporting operator overloading. From a Java compiler (e.g. javac) design standpoint, supporting operator overloading is considerably more difficult than method overloading, requiring a more complex compiler.



You cannot create a new operator through operator overloading. You can only redefine an existing operator, with certain limitations. As an example, for a class of complex numbers, having a real and an imaginary part, you might want an addition operator. This is the skeleton of code to do that. I only show the operator, not any constructors or other operators or methods, etc.class complex {private:double real, imaginary;public:complex operator+ (complex operand) {complex temp;temp.real = this.real + operand.real;temp.imaginary = this.imaginary + operand.imaginary;return temp;}};The above answer is for C++. Since this question is also categorized in Java Programming it's important to note that operator overloading is not currently possible in Java.


There is no operator overloading in C. This is only a C++ thing.


Operator overloading means defining what the operators ie + - * / & | etc mean in terms of your object, by writing appropriate methods in the object's code. This is not permitted in java. Method overloading is using the same method name in methods with different paramters ie setSize(Dimension d) setSize(int height, int width)


The concept of Operator Overloading is similar to Method Overloading, in that the meaning of a given operator symbol changes according to the context it is being used in. That is, the semantics of the operator symbol are flexible, rather than fixed.The idea behind Operator Overloading is to take a common symbol, and adjust it's meaning to something logical for contexts other than what it was originally restricted to.The arithmetic operators ( + - * / ) are good examples. Using Operator Overloading, I could define that 'SomeArray + SomeValue' means that I should add SomeValue to the end of the array SomeArray.In general, Operator Overloading is what is called 'syntactic sugar' - it makes things more readable. For instance, the equivalent way to do the above example via method calls would be: SomeArray.addToEnd(SomeValue)The major problem with Operator Overloading is that it depends on people having the exact same interpretation of what an operator would mean in the new context, which is difficult to assure. Going back to the above example, there is some ambiguity as to where 'SomeArray + SomeValue' would mean to add in SomeValue - should SomeValue be added to the start of the array, or the end of the array? The answer is not obvious, and one would have to go look through the overload definition. While this confusion is also possible with methods, properly named methods (i.e. using addToEnd() rather than just add() ) helps avoid this entirely.For this reason, Java does not support user-defined Operator Overloading. Java does support certain operator overloading in narrow contexts, but only those defined by the language itself. That is, the '+' sign is overloaded to allow for string concatenation. However, the designer of Java (James Gosling) decided that his preference was to avoid Operator Overloading completely due to his perception of a "clean" language.


What are the disadvantages of operator overloading in c plus plus?


C does not support operator overloading. If you mean C++ operator overloading, it depends on exactly what you wanted to do. If you wanted to '+' to strings, then you could write: string operator+(string a, string b) { // do something }


really there is no difference between constructor overloading and metho overloading


Function overloading refers to using the same function name in the same scope with multiple versions depending on the parameters provided. Operator overloading is a specialized version of function overloading, and refers specifically to using operators instead of function names. These are usually designated with the keyword "operator". Function overloading: void doSomething(int arg1); void doSomething(int arg1, int arg2); Operator overloading: obj& operator +(obj arg1, obj arg2);


Overloading refers to use of something for different purposes.Function Overloading - It refers to the design of family of functions with one function name but with different argument list. The correct function will be invoked by checking the number and type of the arguments.Operator Overloading - The mechanism of giving the additional property to the operator is known as operator overloading. We can overload all the operators except the following:1.)Class members access operators2.)Scope resolution operator3.)Sizeof operator4.)Conditional operator



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