It is not necessary that the set of constants in an enum type stay fixed for all time. A Java enumeration is a class type. Although we don’t need need to instantiate an enum using new, it has the same capabilities as other classes. This fact makes Java enumeration a very powerful ...
public String getName() { return name; } publicvoid setName(String name) { this.name = name; } publicint getIndex() { return index; } publicvoid setIndex(int index) { this.index = index; } } 用法四:覆盖枚举的方法 下面给出一个toString()方法覆盖的例子。 publicenum Color { RED("红...
4);// 成员变量privateString name;privateint index;// 构造方法privateColor(String name,int index){this.name=name;this.index=index;}// 普通方法publicstaticStringgetName(int index){for(Color c:Color.values()){if(c.getIndex()==index){returnc.name;}}returnnull;}// get set 方法publicString...
// get set 方法 public String getName() { return name; } public void setName(String name) { = name; } public int getIndex() { return index; } public void setIndex(int index) { this.index = index; } } 用法四:覆盖枚举的方法 下面给出一个toString()方法覆盖的例子。 public enum Col...
packagecom.lxk.enumTest;/*** Java枚举用法测试* * Created by lxk on 2016/12/15*/publicclassEnumTest{publicstaticvoidmain(String[]args){forEnum();useEnumInJava();}/*** 循环枚举,输出ordinal属性;若枚举有内部属性,则也输出。(说的就是我定义的TYPE类型的枚举的typeName属性)*/privatestaticvoidfor...
publicSet<K>keySet() Returns aSetview of the keys contained in this map. The returned set obeys the general contract outlined inMap.keySet(). The set's iterator will return the keys in their natural order (the order in which the enum constants are declared). ...
PerfMonSet PhpVersion PlatformArchitecture PricingTier ProvisioningState PublicCertificateLocation PublishingProfile PublishingProfileFormat PythonVersion RampUpRule RemoteVisualStudioVersion RepositoryType RequestsBasedTrigger ResourceMetricAvailability ResourceMetricName ResourceMetricProperty ResourceMetricValue ResourceNameAva...
MANY To receive events in a batch, set cardinality to MANY. ONE To receive a single message, set cardinality to ONE Methods inherited from java.lang.Enumjava.lang.Enum.<T>valueOf java.lang.Enum.clone java.lang.Enum.compareTo java.lang.Enum.describeConstable java.lang.Enum.equals...
import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; public class EnumTypeHandler<E extends Enum<E>> extends BaseTypeHandler<E> { private Class<E> type; public EnumTypeHandler(Class<E> type) { if(type == null) { ...
sprintf 是个变参函数，定义如下： int sprintf( char *buffer, const char *format [, argument] ....