Global Class creation and visibility of the class component-->Attributes

Global Class creation and visibility of the class component-->Attributes

Steps

Go to transaction code SE24.

Initial screen of Class Builder looks like this.

Enter the Object Type (class name ) , start's with YCL_ or ZCL_ <class name > and click on create button.

Enter the short description and click on SAVE button.

Save it in either Package or Local Package.

Class Interface looks like this.

Click on attributes Tab,

Enter the attribute name.

Click on Level and press F4 help.

Select the Level ( instance ) of the attribute.

Click on Visibility and press F4 help.

Select the Visibility of the attribute.

Enter the Associated type( data type ).

Enter the Description.

Enter the initial Value ( optional ) .

Note : N1 is known as Instance Public attribute .
To Add static public attribute follow following steps.
Enter attribute name.

Click on Level and press F4 help.

Select static attribute.

Click on Visibility and press F4 help.

Select the visibility.

Enter the Associated Type .

Enter the description.

Enter the initial value.

Similarly create different attributes as shown below as per Level and Visibility.

Note :

N3 is known as instance protected.
N4 is known as static protected.
N5 is known as instance private.
N6 is known as static private.

Save -> Check -> Activate.

Usage of Global Class.

Go to transaction code SE38.

Enter the program name start's with Y or Z<program name > and click on create button.

Enter the Title , select attribute type as executable program and click on Save .

To declare the object.

DATA : <object name > Type <Class name >.

Ex : obj type ZCL_FIRST_CLASS.

To create the object.

CREATE OBJECT < object name> .

Ex : Create object OBJ.

We can call instance attributes using ,

<object name >-><attribute name>.

We can call static attribute using,

<object name >-><attribute name>.

or

<Class name >=><attribute name>.

Save -> Check->Activate.

Execute.

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