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Java is considered to be more dynamic than C or C++ since it is designed to adapt to an evolving environment. Java programs can carry an extensive amount of run-time information that can be used to verify and resolve accesses to objects at run-time.
HANA consumes lot of space in system tables/views, statistics, caches. When you unload tables, these memory areas will not be released.Check SAP Notes https://launchpad.support.sap.com/#/notes/1969700
JcoDestination is the newer version (3) and JCO.client is the older version (2) of SAP Java connector Class. Along with the change of names in the classes, they have also re-written the library architecture in the new version JCoDestination. It is recommended to use the newer version JCodestination.
Using SAP GUI, you can only access ABAP or ABAP+Java based system. You can check at multiple places if it is a dual system.T-code: SMICM, you can checklist of services in transaction SMICM (Goto --> Services) - dual stack systems will have the J2EE services listed too. There will also be an AS Java menu in SMICM on ABAP+Java systems.
You can create a PDF file using the PDF Box library. You can set the environment for pdf box by following Pdf Box Environment Tutorial. Example import java.io.IOException; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; public class CreatingEmptyPdf { public static void main(String args[]) throws IOException { PDDocument document = new PDDocument(); document.addPage(new PDPage()); document.save("C:/pdfBox/BlankPdf.pdf"); System.out.println("PDF created"); document.close(); } } Output PDF created
Note that Eclipse Neon is not compatible tih SAP HANA Cloud platform. Refer the below compatibility document: https://tools.hana.ondemand.com/#hanatools
Note that you can’t access Pooled tables directly and it should be accessed via Application server. When a pooled table is created, it involves creation of a suitable transparent table with a suitable delivery class and then it is changed to a pooled table.A pooled table can be flagged as transparent in its technical settings, which is a simple way of transforming it to a transparent table.To fetch information from Pooled tables, you need to write an ABAP code that can extract the data as per requirement.
I don’t think there is a way to perform this. The common way to do this is by extending original table and fill the new fields.T-Code: SPDD is somewhat relevant that can be used to compare all the dictionary objects- data elements, tables and structure with old system.T-Code: SPAU can also be used to compare objects –Reports, Programs, Screens, Messages, Notes, Function Modules etc. which have difference in the Latest SAP request and the previous ones. You can use SPAU just after SPDD or when SAP system upgrade is performed.Using SPDD and SPAU, you can view all the modified objects, ... Read More
Static attributes of a class and the global variables of a function pool are dealt in a similar manner. In an abstract manner, you can consider static attributes as global variables. How global variables are reinitialized with a new internal session, static attributes do get reinitialized with the new internal session- this can be verified using a recursive function call.
The class Component is the abstract base class for the non-menu user-interface controls of AWT. A component represents an object with graphical representation. The class Container is the superclass for the containers of AWT. The container object can contain other AWT components.