clone « collection « Java Collection Q&A

Home
Java Collection Q&A
1.algorithm
2.array
3.Array Byte
4.Array Char
5.Array Convert
6.Array Dimension
7.Array Integer
8.Array Object
9.Array String
10.ArrayList
11.collection
12.comparator
13.Development
14.Garbage Collection
15.Generic
16.hash
17.HashMap
18.HashTable
19.iterator
20.LinkedList
21.List
22.Map
23.queue
24.Set
25.Sort
26.tree
Java Collection Q&A » collection » clone 

1. Quick Java question: Cloning and subtracting sets - does this work?    stackoverflow.com

private HashMap<DataObject, HashSet> AllDataObjects;

...

/** Returns all DataObject elements that are NOT in the specified set. */
private DataObject[] invert( HashSet<DataObject> set )
{
    HashSet<DataObject> keys = (HashSet) AllDataObjects.keySet();
   ...

2. Fill an array with clones of a single object    stackoverflow.com

What is a quick and easy way to fill a Java array with clones of a single object? e.g. after:

Rectangle[] rectangles = new Rectangle[N];
fillWithClones(rectangles, new Rectangle(1, 2, 3, 4));
the rectangles array would ...

3. Why people are so afraid of using clone() (on collection and JDK classes)?    stackoverflow.com

A number of times I've argued that using clone() isn't such a bad practice. Yes, I know the arguments. Bloch said it's bad. He indeed did, but he said ...

4. How to clone a object containing collection?    coderanch.com

Hi, How to clone a object containing collection. here is my class structure public class ToBeCloned { private String str1= null; private String str2 = null; private List list1= new ArrayList(); // Holds objects of type ToBeCloned //getter and setter methods } I tried to clone an object of this type. I implemented Cloneable interface and overridden clone method as follows ...

5. clone collection and save the realtion between the entries in the collection    coderanch.com

Hey, I suspect that there is no generic solution for this question , but i will try. I have a collection (A) of entities (ejb3 ) "Foo" i need to clone this collection and to clean the data base id from the entities . After clone i have a clone collection (B) The issue is that i need to save in ...

6. Clone collection objects    forums.oracle.com

java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.