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...
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 m...
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...
values() 返回枚举类的所有常量; ordinal() 返回枚举常量的序号 valueOf(String name) 返回名为name的枚举常量,如果存在。 //演示 values(), ordinal() 和 valueOf() 方法enumColor { RED, GREEN, BLUE; }publicclassTest {publicstaticvoidmain(String[] args) { Color arr[]=Color.values();for(Color ...
Java.Lang Assembly: Mono.Android.dll Returns the enum constant of the specified enum class with the specified name. [Android.Runtime.Register("valueOf", "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;", "")] [Java.Interop.JavaTypeParameters(new System.String[] { "T extends java....
public static void main(String[] args) { if (args.length != 1) { System.err.println("Usage: java Planet <earth_weight>"); System.exit(-1); } double earthWeight = Double.parseDouble(args[0]); double mass = earthWeight/EARTH.surfaceGravity(); ...
fastjson提供的JSON.toJSONString(...)有很多重载的方法,例如: public staticString toJSONString(Object object, SerializeConfig config, SerializerFeature... features) 所以,fastjson可以通过设置SerializeConfig来配置enum的序列化。 public static void main(String[] args) { ...
fromString(String value) public static DayOfWeek fromString(String value) Parses a serialized value to a DayOfWeek instance. Parameters value String the serialized value to parse. Returns DayOfWeek the parsed DayOfWeek object, or null if unable to parse. ...
public String toString() Returns String Overrides java.lang.Enum.toString() valueOf(String name) public static UsageCount valueOf(String name) Parameters name String Returns UsageCount values() public static UsageCount[] values() Returns UsageCount[] Tabel uitvouwen Applies to Azure ...
4.问题原理解析篇-导致问题的机制是什么 来看看源码吧。 测试代码如下: 代码语言:javascript 复制 publicclassEnumsStateTest{publicstaticvoidmain(String[]args)throws Exception{StreamExecutionEnvironment env=StreamExecutionEnvironment.createLocalEnvironmentWithWebUI(newConfiguration()...