Java資料結構——環形佇列
阿新 • • 發佈:2020-08-10
列舉的values方法可以返回一個數組
如下面這個列舉
public enum EnumDemoFirst { RED(1,"hongse"),GREEN(2,"lvse"),YELLOW(3,"huangse"); private int code; private String msg; private EnumDemoFirst(int ordinal, String name) { this.code = ordinal; this.msg = name; } public int getCode() { return code; } public void setCode(int code) { this.code = code; } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } }
測試:
public class EnumTest { public static void main(String[] args) { EnumDemoFirst[] values = EnumDemoFirst.values(); for (EnumDemoFirst enumDemoFirst : values) { System.out.println(enumDemoFirst + "--" + enumDemoFirst.getCode() + "--" + enumDemoFirst.getMsg()); System.out.println("============="); } } }
結果:
RED--1--hongse ============= GREEN--2--lvse ============= YELLOW--3--huangse =============