Thrown to indicate that theclonemethod in classObjecthas been called to clone an object, but that the object's class does not implement theCloneableinterface. Applications that override theclonemethod can also throw this exception to indicate that an object could not or should not be cloned. ...
* contents of the fields are not themselves cloned. Thus, this method * performs a "shallow copy" of this object, not a "deep copy" operation. * <p> * The class {@codeObject} does not itself implement the interface * {@codeCloneable}, so calling the {@codeclone} method on an obje...
Exception in thread "main" java.lang.CloneNotSupportedException: com.heatdeath.test_package.CloneDemo$CloneClass at java.lang.Object.clone(Native Method) at com.heatdeath.test_package.CloneDemo$CloneClass.clone(CloneDemo.java:14) at com.heatdeath.test_package.CloneDemo.main(CloneDemo.java:23) ...
If a class and all of its superclasses (except Object) obey this convention, it will be the case that x.clone().getClass() == x.getClass(). By convention, the object returned by this method should be independent of this object (which is being cloned). To achieve this independence, ...
* is legal for that method to make a * field-for-field copy of instances of that class. */publicinterfaceCloneable{ } 2.将clone()方法重写为public,之前也解释过这个内容,protected的权限不能满足实际需要。 3.调用父类的clone()方法,这里再补充一个内容,实际上Object.clone()方法实现的是浅克隆,而...
* A class implements the <code>Cloneable</code> interface to * indicate to the {@link java.lang.Object#clone()} method that it * is legal for that method to make a * field-for-field copy of instances of that class. */ publicinterfaceCloneable{ ...
在编译时，它显示clone是受保护的并且不能被访问，但是我已经扩展了Object类，因此clone方法将对我的类...
If you are already using Apache Commons Util classes in your project and your class is serializable, then use the below method. Employee clonedEmp = org.apache.commons.lang3.SerializationUtils.clone(emp); We can define acopy constructorto create a copy of the object. Why to depend on the O...
1.1 Java Object根类默认提供了clone方法: protected native Object clone() throws CloneNotSupportedException; 一个本地方法...方法时,构造方法并没有被调用,所以我说创建一个对象new和clone是两条路 public static void main(String[] args) throws CloneNotSupportedException...} 打印: CloneModel{name=’null...
1. 简介在了解Object中的常用方法之前，我们先来看看Object类的源码，如下所示：/** * Class {@...