In this guide to Java enum with string values, learn to create enum using strings, iterate over all enum values, get enum value and to perform reverse lookup to find enum by string parameter. In thisguide to Javaenumwith string values, learn tocreate enum using strings, iterate over all e...
In Java, you can assign values to enums by defining a constructor and a private variable in the enum. For example an enum for Seasons of the year will have 4 constants:public enum Season {WINTER, SPRING, SUMMER, FALL}. This allows you to associate specific values with each enum constant...
values()) { System.out.println(color.index + ":" + color.name); } } } 覆盖枚举的方法 所有枚举类都继承自Enum类,所以可以重写该类的方法 下面给出一个toString()方法覆盖的例子。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 @Override public String toString() { return this.index + ":...
这样做可以保证客户代码没有办法新建一个enum的实例 **/publicenumEnumWithConstructor{ UP("hello"),DOWN("java");privatefinalString value; String getValue(){returnvalue; } EnumWithConstructor(String value){this.value=value; } }publicstaticvoidmain(String[] args) { System.out.println(SimpleEnum.val...
publicenumFlightType { OW(1, "单程"), RT(2, "往返");publicInteger code;publicString desc; FlightType(Integer code, String desc) {this.code =code;this.desc =desc; }publicInteger getCode() {returncode; }publicvoidsetCode(Integer code) {this.code =code; ...
EnumWithMultipleValues.java importjava.util.Arrays;importjava.util.Optional;publicclassEnumWithMultipleValues{publicstaticvoidmain(String[]args){//Print all enum and valuesfor(AccountStatusas:AccountStatus.values()){System.out.println("Status "+as.getCode()+" is : "+as.getFullName());}//Rever...
public void setValue(String value) { this.value = value; } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 枚举类,会在编译时自动继承java.lang.Enum类; Enum是所有 Java 语言枚举类型的公共基本类(注意Enum是抽象类),以下是它的常见方...
if (values == null) { throw new IllegalArgumentException(enumType.toString() + " is not an enum type."); } // Iterate backwards through the array to retain historic Android behavior in the // unexpected / likely invalid case where there are multiple values with the same name. ...
Now that we have explored Java Enum with values, let’s look at the built-in methods offered by Java Enum and how we can use them. Java Enum comes equipped with several useful methods likevalues(),valueOf(),name(), andordinal(), among others. These methods provide functionalities that ...
Enum.ValueOf(Class, String) Method Reference Definition Namespace: Java.Lang Assembly: Mono.Android.dll Returns the enum constant of the specified enum class with the specified name. C# [Android.Runtime.Register("valueOf","(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;","")] [Java...