其次,MyFirstEnum居然继承了一个类,java.lang.Enum,o my god,以前完全没听说过这个类啊,让我们看下这个类里有什么东西。 /*** The name of this enum constant, as declared in the enum declaration.* Most programmers should use the {@link #toString} method rather than* accessing this field.*/priv...
importorg.eclipse.jdt.core.dom.EnumConstantDeclaration;//导入依赖的package包/类publicstaticChildListPropertyDescriptorgetArgumentsProperty(ASTNode invocation){switch(invocation.getNodeType()) {caseASTNode.METHOD_INVOCATION:returnMethodInvocation.ARGUMENTS_PROPERTY;caseASTNode.SUPER_METHOD_INVOCATION:returnSuperMethod...
importorg.walkmod.javalang.ast.body.EnumConstantDeclaration;//导入依赖的package包/类publicBooleanvisit(EnumConstantDeclarationn1, Node arg){EnumConstantDeclarationn2 = (EnumConstantDeclaration) arg;if(!objEquals(n1.getName(), n2.getName())) {returnBoolean.FALSE; }if(!nodesEquals(n1.getAnnotations(...
Basics of Enum Declaration and Interface Implementation To begin with, lets revisit how enums are declared in Java. Enum constants are typically declared at the beginning of an enum class, each representing a unique value within the enum set. Here’s a simple example of an enum `Color` that...
Declaration of enum in Java:Enum declaration can be done outside a Class or inside a Class but not inside a Method. Java // A simple enum example where enum is declared // outside any class (Note enum keyword instead of // class keyword) ...
生效范围 Application inJava:declaration Edit variables 注解生命周期 RetentionPolicy.SOURCE 源码注解,编译成.class文件后注解就不存在,用来提示开发者 RetentionPolicy.CLASS CLASS汇编注解,编译成.class文件后注解也还存在,用于自动生成代码 RetentionPolicy.RUNTIME 运行时动态注解,生命周期一直程序运行时都存在,常用于自动...
(its position * in its enum declaration, where the initial constant is assigned * an ordinal of zero). * * Most programmers will have no use for this method. It is * designed for use by sophisticated enum-based data structures, such * as {@link java.util.EnumSet} and {@link java....
生效范围 Application inJava:declaration Edit variables 6. 注解生命周期 RetentionPolicy.SOURCE 源码注解,编译成.class文件后注解就不存在,用来提示开发者 RetentionPolicy.CLASS CLASS汇编注解,编译成.class文件后注解也还存在,用于自动生成代码 ...
Each constructor will be invoked, in member declaration order, regardless of which members are actually referenced and used. Share Improve this answer Follow answered Sep 4, 2009 at 19:06 erickson 268k5858 gold badges399399 silver badges495495 bronze badges Add a comment Report this...
* @see java.util.EnumMap * @since 1.5 */ public abstract class Enum<E extends Enum<E>> implements Comparable<E>, Serializable { /** * The name of this enum constant, as declared in the enum declaration. * Most programmers should use the {@link #toString} method rather than ...