java ImmutableClass有哪些 implement java 1. 1. extends可以理解为全盘继承了父类的功能,implements可以理解为为这个类附加一些额外的功能 举个例子,Animal是一个父类,cat,dog,bird,insect都extends了Animal,但是cat,dog,bird还可以implements比如run,shout这些interface,bird,insect可以implements比如fly这些interface 2...
不可变对象的类即为不可变类(Immutable Class)。Java平台类库中包含许多不可变类,如String、基本类型的包装类、BigInteger和BigDecimal等。 对于String和StringBuilder,String是immutable的,每次对String对象的修改都将产生一个新的String对象,而原来的对象保持不变。而StringBuilder是mutable,因为每次对于它的对象的修改都作用...
String e = "a"; e.add();//false,String is immutable e+="bc"; if(c==e) //false if(c.equals(e))//true letter same 还有一个例子,解释了如果对一个包含不可变对象引用的变量上进行计算,这个时候需要赋值这个步骤。例子引用网站: http://www.jb51.net/article/37889.htm tips: 强不可变类:f...
This class encapsulates information about a code signer. It is immutable. Added in 1.5. Java documentation for java.security.CodeSigner.Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative ...
public ImmutableArraySet(java.util.Set<E> elements) Method Detail iterator public java.util.Iterator<E> iterator() Specified by: iterator in interface java.lang.Iterable<E extends java.lang.Comparable<? super E>> Specified by: iterator in interface java.util.Collection<E exten...
[Android.Runtime.Register("java/util/AbstractMap$SimpleImmutableEntry", DoNotGenerateAcw=true)] [Java.Interop.JavaTypeParameters(new System.String[] {"K","V"})]publicclassAbstractMap.SimpleImmutableEntry:Java.Lang.Object,IDisposable,Java.Interop.IJavaPeerable,Java.IO.ISerializable,Java.Util.IMapEnt...
Java.Util.Concurrent.Atomic Java.Util.Concurrent.Locks Java.Util.Functions Java.Util.Jar Java.Util.Logging Java.Util.Prefs Java.Util.RandomGenerators Java.Util.Regex Java.Util.Streams Java.Util.Zip Javax.Annotation.Processing Javax.Crypto Javax.Crypto.Interfaces ...
Instances of this class are immutable. URI syntax and components At the highest level a URI reference (hereinafter simply "URI") in string form has the syntax <blockquote> [scheme:]scheme-specific-part[#fragment] </blockquote> where square brackets [...] delineate optional components and ...
static ImmutableDescriptorunion(Descriptor... descriptors) Return an ImmutableDescriptor whose contents are the union of the given descriptors. Methods declared in class java.lang.Object finalize, getClass, notify, notifyAll, toString, wait, wait, wait Methods declared in interface javax.management...
1. 不可变类 这似乎就是一个不可变类(immutable class),事实真的是这样吗?我们来测试一下。 blog.csdn.net|基于22个网页 2. 不可变类别 这里的N除了几种“原生类型”(primitive type),例如int,char等之外,还包括了“不可变类别”(immutable class),例如String … ...