Use of the "Java Programming Advanced-1" Enum enumeration

Enumerations are primarily used for enumeration constants, and here is a simple application. For example, a company has the following sections:

• Research department:
• Sales Department:
• Finance Department:

(other departments temporarily do not enumerate) some information of the department is relatively fixed, at this time can consider using enumeration to illustrate;Enum classDepts.java package myenum; public enum depts {      finacedept("Finance Department","responsible for Corporate finance"), developdept("Research and Development department","responsible for software development work"), saledept("Sales Department","responsible for the sales work of the Company");     Private final String name_cn; //Chinese name Private final String description; //Description depts (String n,string desc) {This . NAME_CN = n;This . description = desc;    }    Public String getname_cn () { return name_cn;    }Public String getdescription () { return description;    }  }Test class: Enumtest.java package myenum; public class enumtest { Public static void main (String args[]) {For (depts dept:depts.values()) {System. Out. println (dept + "-" + DEPT.GETNAME_CN () + "-" + dept.getdescription ());        }System. Out. println (depts.developdept. getdescription ()); System. Out. println (depts.developdept);     }}Test results:
We can also participate in abstract methods for enumerations, and then let each enumeration value implement this abstract method. package myenum; public enum depts {      finacedept("Finance Department", "responsible for Corporate finance") { void printinfo () {System. Out. println ("Recent corporate financial information is good");         }    }, developdept("Development Department","responsible for software development work") { void printinfo () {System. Out. println ("the company uses Java as a research and development tool");         }    }, saledept("sales Department","responsible for the sales work of the Company") { void printinfo () {System. Out. println ("Company Sales target: 10000 units/year");         }    };     Private final String name_cn; //Chinese name Private final String description; //Description depts (String n,string desc) {This . NAME_CN = n;This . description = desc;    }    Public String getname_cn () { return name_cn;    }Public String getdescription () { return description;    }     abstract void printinfo ();}Test class: package myenum; public class enumtest { Public static void main (String args[]) {For (depts dept:depts.values()) {System. Out. Print (dept); dept.printinfo ();        }depts.developdept. Printinfo ();    }}Test results:




From for notes (Wiz)

Use of the "Java Programming Advanced-1" Enum enumeration