ENUM
import java.util.Iterator; public enum CountryEnums { ONE(1,"韩"),TWO(2,"魏"),THREE(3,"赵"),FOUR(4,"齐"),FIVE(5,"楚"),SIX(6,"燕"); private Integer retCode; //key private String retMessage; //value private CountryEnums(Integer retCode, String retMessage) { this.retCode = retCode; this.retMessage = retMessage; } public Integer getRetCode() { return retCode; } public void setRetCode(Integer retCode) { this.retCode = retCode; } public String getRetMessage() { return retMessage; } public void setRetMessage(String retMessage) { this.retMessage = retMessage; } public static CountryEnums foreachCountryEnums(Integer index) { for (CountryEnums element : values()) { if(element.getRetCode() == index) { return element; } } return null; } }
System.out.println(CountryEnums.ONE);
System.out.println(CountryEnums.ONE.getRetCode());
System.out.println(CountryEnums.ONE.getRetMessage());
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