Is there any pure Java OS for PC ?

When i testing programe with applet, i found that the performance is not good at all, i think that if there pure native java os here, i can run directly with my class file, is it already be true ?

i dont think anyone can write an OS purely in java.You are wrong. Mainly because the question isn't very specific. I had the same opinion until someone in another thread convinced me. The solution is not the one you are thinking of. Search for the thread and read the entire thing.
first question to answer is How good is java's IO? is
it atleast half as good as that of C? No.Huh? Many implementations that use the Java API library could be improved if the authors took time to write a bettern implementation specific to their library. Or in some cases just used the API correctly in the first place. There is at least one magazine article that points this out.

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Try setting
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at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExec
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ok

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Message was edited by: Zookalicious

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1) Instaed of using JOINS and FOR ALL ENTRIES, am looking to use any view or FM for pullinmg the data from, VBAK & VBAP,
So, pls let me knwo that, Is there any VIEW or FM for pulling the data from the above of tables
2) Instaed of using JOINS and FOR ALL ENTRIES, am looking to use any view or FM for pullinmg the data from, VBEP & VBBE,
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thanq
Edited by: Srinivas on May 9, 2008 5:36 PM

Hi Srinivas,
You can use the view WB2_V_VBAK_VBAP2 for fetching data from VBAK and VBAP instead of using a JOIN. Note that, in the view, item data fields will have a I following the field name (POSNRI, MATNR_I are the item data fields from VBAP). The master data fields of VBAK are the same.
As far as i know, there are no standard views provided by SAP for VBEP and VBBE. Not sure if FM exists either.
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Is there any pure Java OS for PC ?

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