Referenced class is both a class of their own definition, is widely used behind
Class Definition Format
Create a java file with the same name as the class
{public class name of the class
Attribute Name Data Type 1;
Attribute Name Data Type 2;
…
}
publicclass Phone {
/*
* Attributes
*/
String brand; // Make Model
String color; // color
Double size; // size
}
Guide package: We will all classes together under a folder, you can avoid lead pack.
Create objects: data type variable name = new data type ();
Call the method: We define custom class method does not involve only attributes (custom class in the methods section in object-oriented part of the explanation)
Access attributes: variable name attribute (this is the current way, the latter will take the form of an alternative method to call off direct access to complete access to the property.)