Technology Questions

Q:

Does Java support multiple inheritance?

Answer Java doesn't support multiple inheritance.
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Subject: Java

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Q:

What is the difference between int and int32 ?

Answer

There is no difference between int and int32. System. Int is an alias name for System.Int32 which is a .Net Class.

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Subject: .NET
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Q:

What is an OLTP system and OLAP system?

Answer

OLTP stands for OnLine Transaction Processing. Applications that supports and manges transactions which involve high volumes of data are supported by OLTP system. OLTP is based on client-server architecture and supports transactions across networks.


OLAP stands for OnLine Analytical Processing. Business data analysis and complex calculations on low volumes of data are performed by OLAP. An insight of data coming from various resources can be gained by a user with the support of OLAP.

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Q:

What is the difference between a JDK and a JVM?

Answer

JDK is Java Development Kit which is for development purpose and it includes execution environment also.


JVM is Java Virtual Machine which is a run time environment for the compiled java class files .Hence you will not be able to compile your source files using a JVM.

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Subject: Java

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Q:

If you are current on the owner of a set, what is the difference between an obtain next and obtain first in IDMS?

Answer

No difference. There is a difference between obtain first and obtain next for an area sweep, but not when current on the owner in a set.

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Q:

What is the difference between Property Get, Set and Let?

Answer

Set - Value is assigned to ActiveX Object from the form.


Let - Value is retried to ActiveX Object from the form.


Get - Assigns the value of an expression to a variable or property.

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Q:

What is the managed execution process?

Answer

Managed execution process is a process where CLR executes the managed code. The steps involved in this process are:



  1.  Choosing the right compiler

  2.  Compiling the code to MSIL. This also generates the required metadata.

  3.  Compile the MSIL ode to native machine code.

  4. Executing the code with the variety of services available

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Subject: .NET

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Q:

What signals are transferred in GPRS?

Answer

- GPRS uses 2.5 generation of GSM signals
- The radio interface is the same that of GSM
- GPRS uses 900 / 1800 Mhz, frequency band and GMSK modulation
- The bit rates are EGPRS, similar to EDGE
- Separate hardware and ports need to be added and availed.

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