JavaBeans are Java classes that have properties. Properties are private instance variables. According to JavaBeans, the methods that set the values of these variables are known as setter methods, and the methods that retrieve the values of these variables are known as getter methods.
The naming convention for setter methods is that they should be prefixed with set and the name of the variable. The name of the variable should begin with upper case.
The naming convention for getter methods is similar to that of setter. It should begin with get and the name of the variable. The name of the variable should begin with upper case.
The setter method must be declared public, with a void return type and an argument that represents the property type.
The getter method must be declared public. It takes no arguments, and should have a return type that matches the argument type of the setter method for that property.
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