cloneable

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Serializing Begets Deep Cloning?

I was reading an article written by an ASF contributor, and he briefly mentioned that an \"old Java trick\" to deep clone an object is to serialize it and then deserialize it back into another object.[详细]

2023-04-08 10:59 分类：问答
Why is the clone() method kept in Object?

I开发者_如何转开发f a class is not Cloneable no object of this class can be cloned. Then why is clone() kept in the Object class and not in Cloneable interface?It was a design error in Java (yes, Java[详细]

2023-04-05 05:23 分类：问答
Clone an Object that I can't add ICloneable to

I am trying to create a shallow copy (new instance) of an object, without manually setting each field.This object is not a type I have the ability to modify, so I cannot go into the object and impleme[详细]

2023-04-01 15:11 分类：问答
Cloneable interface in j2me

I want to implement cloneable interface but I am unable to. I am using J2me, it gives me error create interface Cloneable in your package. As far as I know J2me开发者_如何学编程 allows to implement Cl[详细]

2023-04-01 10:49 分类：问答
Pretty HABTM List Entry

I have a Recipe, Item, and Units table/model. I have a HABTM relationship with Recipe and Item, and I get the default multiple-select box when adding/editing Recipe. (am using Bake for everything for[详细]

2023-03-31 03:11 分类：问答
Java interface extends Cloneable

I don\'t understand why we can\'t do the following: interface MyInterface extends Cloneable {} class myClazz implements MyInterface {[详细]

2023-03-04 17:47 分类：问答
Cloning an Integer

I am trying to clone a object of class Integer, which does implement the cloneable inteface. Integer a = new Integer(4);[详细]

2023-03-01 10:05 分类：问答
Serializable, cloneable and memory use in Java

I am using an inner class that is a subclass of a HashMap. I have a String as the key and double[] as the values. I store about 200 doubles per double[]. I should be using around 700 MB to store[详细]

2023-02-26 19:51 分类：问答
How to use Cloneable type as parameter to Java generic class

I have a generic class that needs to be able to clone objects of the parameter type. A very simple example is below. The compiler claims clone() from the type Ob开发者_C百科ject is not visible.[详细]

2023-02-19 13:06 分类：问答
Proper way to deep copy with copy constructor instead of Object.clone

I have some code that performs a deep copy using Object.clone, but I\'m trying to rewrite it using the more \"acceptable\" copy constructor technique. Below are two simple examples of what I\'m trying[详细]

2023-01-25 16:36 分类：问答