enumeration(枚举)是JDK1.5引入的新特性,放在java.lang包中。 1、枚举类方法介绍 packagecom.enums;publicclassTestEnum {publicstaticvoidmain(String[] args) { Season season=Season.autumn; System.out.println(season);//autumnSystem.out.println(season.compareTo(Season.autumn));//0System.out.println(seaso...
Enum：Enum为java.lang中的类标识符 MONDAY, TUESDAY等就称为枚举常量（enumeration constants）且不可重...
enum EnumSeason { //enum默认extends java.lang.Enum 本质也是类 SPRING,SUMMER,AUTUMN,WINTER //在枚举内创建常量 用,隔开 不赋值 } enum EnumWeek{ MONDAY,TUESDAY,WEDNESDAY,THURSDAY,FRIDAY,SATURDAY,SUNDAY //每个成员默认public static final修饰 常量 } class TestEnum{ public static void main(String[] a...
public String getMonth() { return "9-11"; } }; private final String name; private final String desc; private SeasonEnum(String name, String desc) { = name; this.desc = desc; } public static void main(String[] args) { System.out.println(SeasonEnum.SPRING); //SPRING //用 values() ...
public static enum-type valueOf(String str) Points to remember about Enumerations 1. Enumeration are of class type, and have all capabilities taht a java class has 2. Enumerations can have constructors, instance variables, methods and can even implement interfaces ...
java.lang.String Überschreibt java.lang.Enum.toString() valueOf(String name) public static DeploymentMode valueOf(String name) Parameter name java.lang.String Gibt zurück DeploymentMode values() Tabelle erweitern Gilt für: Azure SDK for Java ...
publicstaticvoidmain(String[]args) { Daytoday=Day.SATURDAY; System.out.println("Todayis"+today.toString().toLowerCase()); } } 4、枚举类型的性质:(摘自o'relly 出版的 Java in A Nutshell 5th) Enumerated typeshave no publicconstructor. The only instances of an enumerated type are those declare...
public static PropertyChangeType fromString(String value) Analysiert einen serialisierten Wert in einen PropertyChangeType-instance. Parameter value java.lang.String der zu analysierende serialisierte Wert. Gibt zurück PropertyChangeType das analysierte PropertyChangeType-Objekt oder NULL, wenn die ...
import java.util.Random; void main() { String name = ""; Random r = new Random(); boolean male = r.nextBoolean(); if (male == true) { name = "Robert"; } if (male == false) { name = "Victoria"; } System.out.format("We will use name %s%n", name); ...
Context.list(javax.naming.Name),Context.listBindings(javax.naming.Name),DirContext.search(javax.naming.Name, javax.naming.directory.Attributes, java.lang.String[]),Attributes.getAll(),Attributes.getIDs(),Attribute.getAll() メソッドのサマリー ...