Java 常量定义-枚举enum

Java 常量定义

package cong.juanpi.bi.hiveAntrl.constant;/** * Created by [e-mail] on 2017/8/8. */public enum RelationOperation {    GT(">", 1),    LT("<", 2),    GTE(">=", 3),    LTE("<=", 4),    EQUAL("=", 5),    IN("in", 6),    LIKE("like", 7),    AND("and", 8),    OR("or", 9),    NOT_EQUAL("<>", 10),    NOT_IN("not in", 11),    NOT_LIKE("not like", 12),    NOT_NULL("is not null", 13),    IS_NULL("is null", 14),    RLIKE("rlike", 15),    REGEXP("regexp", 16),    REGEXP_EXTRACT("regexp_extract", 17),    NOT("not", 18);    public int getId() {        return id;    }    private String name;    private int id;    RelationOperation(String name, int id) {        this.name = name;        this.id = id;    }}