Linked Questions
46 questions linked to/from The difference between Classes, Objects, and Instances
4 votes
6 answers
4k views
Can a Java class be an object and object be a class? [duplicate]
Can a Class be an Object in Java? I consider a Class to be a blueprint for creating new Objects, but at the same time classes can have static variables and static methods which are called without an ...
0 votes
2 answers
8k views
object vs instance vs reference in java [duplicate]
Can anyone explain what is the difference between object vs instance vs reference, with a good example? I'm confused about this part: ( classA a; a = new classA(); ) ( classA a; a = new classB(); ...
2 votes
1 answer
2k views
OOP versus class-oriented programming [duplicate]
Could someone objectively tell me what's the difference between object-oriented and class-oriented/based programming? I know a little OOP basics, but I'm clueless about the class-oriented paradigm. An ...
0 votes
1 answer
766 views
Class V.S Object V.S Instance [duplicate]
What is the definition of a Class , Object and an Instance and what is the difference between an Instance and an Object. I would like my answer in Simple English
-1 votes
3 answers
191 views
How many objects Java Virtual Machine creates? [duplicate]
All classes in Java by default extends Object public class Dog{ public Dog() } public static void main(String args[]){ Dog dog = new Dog(); } If I compile this code JVM will create 2 classes ...
-4 votes
1 answer
158 views
Instace of class and object of class in java [duplicate]
There can only be one instance of class and can have many objects...? If not then can you please explain me difference between Instance and Object of the class
-7 votes
2 answers
124 views
What is difference between Class class object and object of a class in Java? [duplicate]
Can someone please explain me difference between Class class object and object of a class in Java.If possible with a simple example.
0 votes
0 answers
95 views
OOP - What is the proper definition between instance and object? [duplicate]
Is instance and object same thing in OOP or not? A good explanation Here. But some explanation is so confusing. I want to know best explanation. Advance thanks .
-3 votes
1 answer
68 views
About class and object relationship [duplicate]
Can I say that class is a manual for building up an object? I agreed that object is one of the instance of class.But if some properties that defined by classes may not make sense for particular ...
0 votes
0 answers
72 views
Object, class and instance difference [duplicate]
Given the next example: //class public class Person { private int id; private String name; private int age; //class constructor to instantiate Person class public Person (int id, ...
-3 votes
1 answer
77 views
What is an Object which is not an instance and vice versa? [duplicate]
I am trying to understand the difference between the object and instance and in some forums it is mentioned as same and in other it is mentioned as different. Q.1 If we instantiate 4 different ...
95 votes
15 answers
87k views
Difference between object and instance
I know this sort of question has been asked before, but I still feel that the answer is too ambiguous for me (and, by extension, some/most beginners) to grasp. I have been trying to teach myself ...
9 votes
11 answers
47k views
What is the difference between classes and object instances?
A class is a binding of methods and variables in a single unit. An object is an instance of a class. These are definitions for classes and objects in programming books. My friend said that a class ...
6 votes
2 answers
16k views
How can I improve JAXB performance?
Here is my conversion code. This is taking long time when we are dealing with large data... Calling the method almost a million times... We could clearly see that it is holding threads for a while. ...
8 votes
9 answers
7k views
I'm having a hard time understanding Java objects and classes
Example 1 /** *Program Name: Cis36L0411.java *Discussion: Class -- Data Members ONLY * Method Members ONLY */ class Cis36L0411 { public static void main( String[] ...