How to create an object class programmatically?

Guys,
I need your help. If possible with a simple example of how to do it.
I need to create an aplication that read an specification of a repository type from a file and then creates it inside my BEA Repository. The problem are few:
1 - How to Create an Object Class programmaticaly?
I looked at documentation of ObjectClassOps but havent figured out how to do it.
2 - How to Create a Property Definition programmaticaly?

Sorry, ITypeManager only exists in 9.2. If you are working on 8.1, then the previous example becomes:
RepositoryManager repositoryMgr = RepositoryManagerFactory.create();
//connect to the repository
repositoryMgr.connect();
//get ObjectClassOps
ObjectClassOps ocops = repositoryMgr.getObjectClassOps();
ID repId = new ID();
repId.setRepositoryName(repositoryName);
PropertyDefinition[] pds = new PropertyDefinition[1];
pds[0] = new PropertyDefinition(repId, "stringProp", null, Property.STRING, false, false, false, false, false, null);
ObjectClass oc = new ObjectClass(repId, "myType", null, pds);
oc = ocops.createObjectClass(oc);

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How to create an object of a class?

plz read the question carefully ..
how to create the object of a class by giving the class name as an String
suppose i have a java file name:" java1.java ".
so now how to create an object of this class "java1"by passing a string "java1"..

kajbj wrote:
rajeev-usendi wrote:
thanks but still i have problem..
i have created the object but now i m unable to do anything with that created object..
i have coded like this..
Object o= Class.forName("java1").new Instance();
after this i m unable to do anything with the object 'o'..So why did you create the instance? You can also get all methods using reflection, but that is probably not what you want to do. You should instead let the class implement an interface and cast the created object into that interface ans call the methods that you want to call.
KajI agree with Kaj. If you need to use a class that's unavailable at compile time, you should create an appropriate interface by which to refer to the class and then you create instances reflectively and access them normally via their interface (which is called reflective instantiation with interface access)

How to create an object within the same class???

hi im just a newbie
i v been always creating an object from the main class..
but how to create an object inside the same class??
i got main and students class
the main got an array
Students[] stu = new Students[]
and i got
stu[i] = new Students(id,name);
i++;
but i wanna do these things inside the Students class..
i tried ..but i got errors.....
how to do this
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javaexpert, :)
I really have no idea what you are trying to do since you say you've always been creating an object from the main class, yet you always want to create an object inside the same class.
I'll assume that you have an object in the main class that you are trying to access from the Students class.
If you are trying to access objects that are contained within the main class FROM the Students class, then know that there are two ways of doing so, one being static, and the other dynamic (look up definitions if unclear):
1.) make the objects in the main class both static and public and access the the objects using a convention similiar to: Main.object; It's important to note that Main is the name of your main class, and object is a static object. There are better ways of doing this by using gettter/setter methods, but I'll omit that tutorial.
2.) Create a new instance of the main class and access the objects using a similiar fashion: Main myInstance = new Main(); myInstance.myObject;
You should really use getter and setter methods but I'll omit the code. In terms of which approach is better, step one is by far.
I don't mean to be condecending, but you should really brush up on your programming skills before posting to this forum. This is a fundamenetal concept that you will encounter time and time again.

How to create an object of inner class

hi i don't know how to create an object of an inner class..
i got something like
class Abc{
private class Abcd {
like this and i want to create an object of Abcd so that i can use some of method
there..
i think i should create the outter class object first right? but not sure
the syntax.. i tried something like
Abc.Abcd justTry = new Abc.Abcd()
something like this..but not work..
help me plz. ...

If the nested class (that's not technically an inner
class you have there) is not static, then you can't
refer to it with OuterClassName.InnerClassName any
more than you can refer to any other member--method
or variable--with ClassName.staticMember.
You need an instance.
It's been a while since I've created an instance of a
non-static nested class from outside that clsas, but
I think it's something like this: Outer outer = new Outer();
outer.Inner inner = new outer.Inner();
Actually, I think it is this:
Outer outer = new Outer();
outer.Inner inner = outer.new Inner();Can't test it now though, gotta go to Taco John's for TACO TUESDAY!!!!
Gotta love them crunchy shell bean tacos!!!

How to create an object of our own class by using Class.forName()??

how to create an object of our own class by using Class.forName()??
plzz anser my qustion soon..

Class.forName does not create an object. It returns a reference to the Class object that describes the metadata for the class in question--what methods and fields it has, etc.
To create an object--regardless of whether it's your class or some other class--you could call newInstance on the Class object returned from Class.forName, BUT only if that class has a no-arg constructor that you want to call.
Class<MyClass> clazz = Class.forName("com.mycompany.MyClass");
MyClass mine = clazz.newInstance();If you want to use a constructor that takes parameters, you'll have to use java.lang.reflect.Constructor.
Google for java reflection tutorial for more details.
BUT reflection is often abused, and often employe when not needed. Why is it that you think you need this?

How to create a container class for 2 object?

I use JDK to create 2 objects, one is Customer and one is Book. I need to enqueue these 2 objects, but they canot share the same queue class. Some one told me that I can create a container class for these 2 objects but I don't know how to create it. Can some one tell me how to create the container class?

I use JDK to create 2 objects, one is Customer and one
is Book. I need to enqueue these 2 objects, but they
canot share the same queue class. Some one told me
that I can create a container class for these 2
objects but I don't know how to create it. Can some
one tell me how to create the container class?
class CustomerBook{
Book m_book;
Customer m_customer;
pulbic CustomerBook (Customer customer, Book book){
m_book = book;
m_customer = customer;
}If you want to create a class that represents one customer and many books, do this:
class CustomerBooks{
Vector m_books;
Customer m_customer;
pulbic CustomerBook (Customer customer){
m_books = new Vector();
m_customer = customer;
public void addBook (Book book){
m_books.addElement (book);
public void displayBooks (){
//I assume the Book class has a toString method or something similar
for (int i = 0;i < m_books.size();i++){
System.out.println ("book: "+((Book)m_books.elementAt(i)).toString());

Re: How to create More two class with one object

haii,
         i have small information How to create More two class with one object,
bye
bye
babu

Hello
I assume you want to create multiple instance of your class.
Assuming that you class is NOT a singleton then simply repeat the CREATE OBJECT statement as many times as you need.
TYPES: begin of ty_s_class.
TYPES: instance   TYPE REF TO zcl_myclass.
TYPES: end of ty_s_class.
DATA:
lt_itab      TYPE STANDARD TABLE OF ty_s_class
                 WITH DEFAULT KEY,
ls_record TYPE ty_s_class.
DO 10 TIMES.
    CLEAR: ls_record-instance.
    CREATE OBJECT ls_record-instance.
    APPEND ls_record TO lt_itab.
ENDDO.
Regards
Uwe

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i want to create an object to Factorial.java, but the class is in String object... how can i do that
please help me with code how to create an object
String str = Factorial.java;
i tried to do like this
str s1 = new str();
this way is not working...
thank u

yes sir am trying to instantiate and retrieve the metadata, am a student am asked to do Program Analyzer, while fullfilling the application requirements i came across this situation, like i have to find total number of public methods in any source file that is entered as input.
Am taking the input in String variable, i can have the details of the source class only of i instantiate and create an Object to that....
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I was trying to BDC PP01 transaction.
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Class.forName does not create an object. It returns a reference to the Class object that describes the metadata for the class in question--what methods and fields it has, etc.
To create an object--regardless of whether it's your class or some other class--you could call newInstance on the Class object returned from Class.forName, BUT only if that class has a no-arg constructor that you want to call.
Class<MyClass> clazz = Class.forName("com.mycompany.MyClass");
MyClass mine = clazz.newInstance();If you want to use a constructor that takes parameters, you'll have to use java.lang.reflect.Constructor.
Google for java reflection tutorial for more details.
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You can Use Transaction code: RSSM
Check the following link
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Hi all, I need a sample at How to Create Dynamical Object for RTTC.
you can help me?.

Hello Martinez,
I have attached a sample for structure types. With the Where-Used-List on the Create() Method of the various RTTC classes one may find more samples. If you meant with object on OO Type then it is to mention that this is not possible yet.
Regards
Klaus
PROGRAM sample.
DATA: sdescr1 TYPE REF TO cl_abap_structdescr,
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      tdescr2 TYPE REF TO cl_abap_tabledescr,
      tref1   TYPE REF TO data,
      tref2   TYPE REF TO data,
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FIELD-SYMBOLS: <tab1> TYPE table,
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comp     = sdescr1->get_components( ).
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tdescr1 = cl_abap_tabledescr=>create( sdescr2 ).
tdescr2 = cl_abap_tabledescr=>create( sdescr2 ).
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wa-sprsl = 'D'. wa-arbgb = 'SY'. wa-msgnr = '456'. wa-text = 'second text'. INSERT wa INTO TABLE <tab1>.
wa-sprsl = 'D'. wa-arbgb = 'XY'. wa-msgnr = '001'. wa-text = 'third text'.   INSERT wa INTO TABLE <tab1>.
wa-sprsl = 'D'. wa-arbgb = 'ZZ'. wa-msgnr = '123'. wa-text = 'fourth text'. INSERT wa INTO TABLE <tab1>.
wa-sprsl = 'E'. wa-arbgb = 'SY'. wa-msgnr = '123'. wa-text = 'ABAP is a miracle'. INSERT wa INTO TABLE <tab1>.
EXPORT tab = <tab1> TO DATA BUFFER xbuf.
IMPORT tab = <tab2> FROM DATA BUFFER xbuf.
LOOP AT <tab2> INTO wa.
WRITE: / wa-sprsl, wa-arbgb, wa-msgnr, wa-text.
ENDLOOP.

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hi
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How to create an object class programmatically?

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