http://javatechniques.com/blog/faster-deep-copies-of-java-objects/ http://javatechniques.com/blog/low-memory-deep-copy-technique-for-java-objects/
For examine, consider a BigList which contains an Array> and a count. A semantic-level clone of such an object would perform a memberwise clone, then replace the Array> with a new array, create new nested arrays, and copy all of the T's from the original arrays to the new ones. It...
source = source.deepCopy();returntargetParent.isArray() ? AddOperation.addToArray(path, node, source) : AddOperation.addToObject(path, node, source); } 开发者ID:line,项目名称:centraldogma,代码行数:17,代码来源:CopyOperation.java importcom.fasterxml.jackson.databind.JsonNode;//导入方法依赖的pa...
这里要注意一下,不管是上面哪种使用方法,都务必记住时不包含array[to_index]这个数。 还有一点差点忘了说了,这里得提前导入Arrays类,即在开头写如下代码 importjava.utl.Arrays; 代码 1packagebase;2importjava.util.Arrays;34publicclassArrays_copyOf5{6publicstaticvoidmain(String[] args)7{8inta[] = {4, ...
Example: Deep Copy using Serialization The complete code is shown below. import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; ...
JavaScriptJavaScript Array Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% In this article, you will learn the deep and shallow copy concept. The article will also introduce ways to perform deep copy on arrays in JavaScript. ...
1. UsingArrayList.clone()for Shallow Copy Theclone()method creates a newArrayListand thencopies the backing array to cloned array. It creates a shallow copy of the given arraylist. In a shallow copy, the original list and the cloned list, both refer to the same objects in the memory. ...
publicTestClassdeepCopy()throwsException{//Serialization of objectByteArrayOutputStreambos=newByteArrayOutputStream();ObjectOutputStreamout=newObjectOutputStream(bos);out.writeObject(this);//De-serialization of objectByteArrayInputStreambis=newByteArrayInputStream(bos.toByteArray());ObjectInputStreamin=new...
function deepCopy(obj) { if (typeof obj !== 'object' || obj === null) { return obj; }let copy = Array.isArray(obj) ? [] : {};for (let key in obj) { if (obj.hasOwnProperty(key)) { copy[key] = deepCopy(obj[key]); ...
Java Arraysays: 19/05/2013 at 9:28 pm […] java arrays implements Cloneable and […] Prototype Design Patternsays: 19/05/2013 at 9:41 pm […] remember while using clone to copy, whether you need a shallow copy or deep copy. Decide based on your business needs. If you need a dee...