Questions on OOP concepts 1. What are the access specifiers available in php ? Explain 2. What is object cloning ? 3. What are the differences between interface and abstract class ? 4. What is overloading ? 5. What is overriding ? 6. How to prevent function overriding ? 7. What is the use of "final" keyword ? 8. What is static variable ? How will access a static variable ? What is static class ?
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Explain the mutualism?
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what is a Nested Loop join?
In Third Party sale process, I am getting an error- in MIRO(Error No. M8889-A/c 893010 has been set as not relevant for Tax, but when I want to change the Account Assignment in ME21 it is taking only G/L A/C 893010 and refusing all other G/L A/C's by giving 2 errors. They are ME045-G/L A/c 39010 cannot be used(please correct)and ME038-No direct posting can be made to G/L A/C 34000. Experts please share your knowledge to solve this problem. Warm Regards.
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Are spring beans singleton?
