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Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan Setter getter ..? what is this and what it does ? i searched over google but didn't find the suitable answer...! Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan … the name ?? and how do we set the name using setter, should i have to create an object before setting up… is set using parametrized constructors } }[/CODE] now how to use setter to set the name in above program?? Why you've… parametrized constructor if you want to set the name using setter ? if we can use parametrized constructor then why do we… Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Dean_Grobler …it is, getter methods get variables, and setter methods set variables. Say for instance you…; } public String getfirstName() { return firstName; } } [/CODE] Setter methods then would set the Name variable, so you would…be the code in your Contact class for the setter method: [CODE] public void setfirstName(String firstName)… Re: Setter getter ..? what is this and what it does ? 14 Years Ago by kramerd … other stuff contact1.setName("John"); // example of calling setter // do some other stuff String name = contact1.getName(); // example of…/he can't "write" new info with a setter. Hope that helps. Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan … other stuff contact1.setName("John"); // example of calling setter // do some other stuff String name = contact1.getName(); // example of…/he can't "write" new info with a setter. Hope that helps.[/QUOTE] why you have over written the… Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan …, so you can set any number of things in one setter eg [CODE]person.setEmployment(String employer, float salary);[/CODE] A… understand how to return those values using get from one setter ? Re: Setter getter ..? what is this and what it does ? 14 Years Ago by ~s.o.s~ [quote]how could i create a single getter and setter for these two ? [/quote] You typically don't; if you … wouldn't be called a "getter" or "setter" in normal Java sense. Also, if you did that… Re: Setter getter ..? what is this and what it does ? 14 Years Ago by vaibhav1983 getter and setter methods are specifications of Java MDB standards. The instance varibales are private. So to change their values and retreive their values we specify getter and setter methods. Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan … formed".[/QUOTE] Ok i understand why do we use setter , but you didn't answer my other questions Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan What should i've to do if i want to create one get and one set method for more than one values ??? Example: [CODE]String Name; int Age;[/CODE] how could i create a single getter and setter for these two ? Re: Setter getter ..? what is this and what it does ? 14 Years Ago by JamesCherrill …, so you can set any number of things in one setter eg [CODE]person.setEmployment(String employer, float salary);[/CODE] A… Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan … two instance variable rollno and name then i created a setter to set the values OK ? but i didn't understand… Re: Setter getter ..? what is this and what it does ? 14 Years Ago by imtiyaz41 The setter and getter methods are the accessor and mutator method which … Re: Setter returns something? 13 Years Ago by stultuske … a value, if you write it like that, but a setter is ment to 'set' data, not to 'get' it. a… sure you handle this exception correctly everywhere you call this setter [Code=Java] // an age may only be between 0 and… be aware of any logic within the setter, so, unless everyone who uses this setter immediately after checks the value using the… Setter returns something? 13 Years Ago by Joey_Brown Hello. What is the best way [an a correct one] to check a value, lets say I need a user input in a certain range. Could I place this check inside a setter method? My setter would than be a boolean return type instead of void? Are there some "laws" against making the setter return something? Thank you for any info. Joey Re: Setter returns something? 13 Years Ago by adarshcu Yes setting the value of a variable using a setter is the best way . But then you do not return …a boolean value. Setter should not return a value. It is against programming conventions… Re: Setter returns something? 13 Years Ago by hfx642 It is VERY common for "setter" type functions (methods) in database programming. Not so much in other languages. Re: Setter returns something? 13 Years Ago by JeffGrigg For "method chaining" / "fluent interface" there's a pattern, including Builder Pattern, for having setter methods return 'this'. Re: Setter getter ..? what is this and what it does ? 14 Years Ago by kramerd The purpose of getters & setters is to hide the implementation of a datatype from the "user" (usually another programmer). If I write a class, I usually need a way to allow you to set up the data the way you want, but I don't necessarily want you to know about the datatypes I'm using to store your data. So I give you get & set … Re: Setter getter ..? what is this and what it does ? 14 Years Ago by JamesCherrill [QUOTE]i searched over google but didn't find the suitable answer...! [/QUOTE] The technical OO terminology is "accessors and mutators" - googling these will give you lots of good info. Here's a good article to start with: [url]http://java.about.com/od/workingwithobjects/a/accessormutator.htm[/url] Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan [QUOTE=JamesCherrill;1352715]The technical OO terminology is "accessors and mutators" - googling these will give you lots of good info. Here's a good article to start with: [url]http://java.about.com/od/workingwithobjects/a/accessormutator.htm[/url][/QUOTE] It helped me alot..! thanks alot ! i didn't new that they are called … Re: Setter getter ..? what is this and what it does ? 14 Years Ago by JamesCherrill Name isn't a very realistic example, but how about: Bank account - interest rate is set when account is created, but may be changed at any time later Product in shop - price ditto Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan can you give example with the code ?>? Re: Setter getter ..? what is this and what it does ? 14 Years Ago by JamesCherrill You already have samples of code, just use your own imagination to apply them to the other examples. Re: Setter getter ..? what is this and what it does ? 14 Years Ago by JamesCherrill That's an example of what I just said. The get method returns rollno and name by putting them into a new class and returning that class contining both values. Re: Setter getter ..? what is this and what it does ? 14 Years Ago by kramerd [code]public Student getValues(){[/code] The line above is the declaration of a public function called getValues which takes no arguments and returns an object of type Student. [code] Student s = new Student(); // object in the same class ? :confused: [/code] The line above creates a local object variable called s of type Student inside the … Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan [QUOTE=JamesCherrill;1355064]That's an example of what I just said. The get method returns rollno and name by putting them into a new class and returning that class contining both values.[/QUOTE] can you please exlain this, ? why uses the class name in the method?? [iCODE] public Student getValues(){[/iCODE] Re: Setter getter ..? what is this and what it does ? 14 Years Ago by Xufyan [QUOTE=kramerd;1355602][code]public Student getValues(){[/code] The line above is the declaration of a public function called getValues which takes no arguments and returns an object of type Student. [code] Student s = new Student(); // object in the same class ? :confused: [/code] The line above creates a local object variable called s … Re: Setter getter ..? what is this and what it does ? 14 Years Ago by JamesCherrill In java they are all methods. A method that returns a value based (only) on its parameters can also be called a function. In practice many people use these terms casually. You can treat them as being the same unless you want to get very technical about programming theory. Re: Constructors vs setter methods. 12 Years Ago by harinath_2007 …doesn't make difference whether you use constructor or setter methods. If you have a constructor that accepts arguements… initialize in the constructor itself. Otherwise you can use setter methods instead. Either way , both approaches results same.…second method , we are setting the title value using Setter method. In the first case, if you want …