Linked Questions

clone method vs copy constructor in java. which one is correct solution. where to use each case?

I have a requirement where I need to generate Object from existed object. I am not able to select the which method is used either clone() or copy(). Situation is if user click the button say Copy/...

I have an object of type Record which implements Serializable. In my task, I have to split it into two objects of the same type, where one has all original fields except for one field, and the other ...

I need clarification on the differences between deep copy, shallow copy, and clone in Java

ArrayList<Integer> a=new ArrayList<Integer>(); a.add(5); ArrayList<Integer> b=(ArrayList<Integer>)a.clone(); a.add(6); System.out.println(b.toString()); In the above piece of ...

I have written this clone method for when the parent of the Employee class is abstract and the clone() method in the parent class is abstract.I wanted to copy the primitive data type of the Employee's ...

Does anyone have any suggested or established best practices and naming conventions for copy constructors / factory methods etc in Java? In particular, say I have a class Thing and I want a method ...

With 2 ArrayList, I was wondering if the best way from transforming the 1st one into a "copy" of the second one is to go like myFirstArray.clear(); myFirstArray.addAll(mySecondArray); or ...

Is cloning good practice in this case? How to do it better? public ModelCollection startParsing() { return parseFeed(new ModelSpecialEntry); } public ModelCollection parseFeed(ModelEntry ...

let's suppose there are two objects of class abc abc obj = new abc(10,20); // setting the values of two var. say x and y abc obj1 = obj; // pointing to same memory so same values But if ...

I have two java objects as follows: class A { int a; int b; } class B { int a; Double b; } A objA = new A(); objA.a = 5; objA.b = 6; I want to clone objA into objB such that field b gets ...

its easier to explain in code so here Object anObj; anObj = new MyObj(); anObj = new Rectangle(); anObj.clone();//this doesnt exist because its on the root Object class what can i use instead of the ...

It is well-known that Cloneable is broken beyond repair (see the discussion in this question for more information). Last questions on alternatives and "how do I do it right" are few years old: Are ...

i tried the following code for cloning the object. while compiling it shows clone is protected and cannot be accessed, but i had extended Object class, hence the clone method will be public to my ...

It's been two years since I last coded something in Java so my coding skills are bit rusty. I need to save data (an user profile) in different data structures, ArrayList and LinkedList, and they both ...