GETters and SETters are functions that GET and SET the value of a private variable.
example:
.........
private int power;// -----------------------
......................................................... // |
.......................................................... // |
........................................................... // |
........................................................... // | The User Gets The value of power
.......................................................... // |
public int getPower(){ //...................... |
return power;// <---------------------------
}
:)
In eclipse you can create java bean by generating getters and setters. Getters and setters are generated as ' alt + shift + s + r'.
As the name suggest Setters are to set value of an attribute and Getters are to get value of an attribute. sometime they are also called java beans.
JAVA beans and coffee beans are two very different things . JAVA beans are used to generate getters and setters. while coffee beans are use to make coffee.
A setter is used to change a field; a getter to get its value. The fields themselves are usually declared as private, for reasons that can be summarized with the term "encapsulation".
In eclipse java beans can be created by using getters and setters. Example: public class Login { public String lmail; public String getLmail() { return lmail; } public void setLmail(String lmail) { this.lmail = lmail; }
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Methods that are neither mutators (setters) or accessors (getters). This primarily includes the class constructors (the initialisers) and the class destructor (the restorer).
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Instead of using public variables, people have a tendency to use it as private variable (They call it encapsulate) and only allow other access these variable via getters and setters. For example: class Calculator { private int a; public int getA(){ return a; } public void setA(int a){ this.a = a; } }