Interview Questions

Q:

In a DB2-CICS program which acts as co-ordinator and which is the participant?

Answer

DB2 acts as the participant and CICS acts as a co-ordinator


 

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Q:

What is needed to make a multiple choice list with a custom view for each row?

Answer

Multiple choice list can be viewed by making the CheckBox android:id value be “@android:id /text1". That is the ID used by Android for the CheckedTextView in simple_list_item_multiple_choice.

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Q:

What are encryption functions in PHP?

Answer

CRYPT(), MD5()

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Subject: PHP

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Q:

Can we compile a java program without main?

Answer

Yes, we can. In order to compile a java program, we don't require any main method. But to execute a java program we must have a main in it (unless it is an applet or servlet). Because main is the starting point of a java program.

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Subject: Java

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Q:

What is the CICS LOAD command ?

Answer

The LOAD command retrieves an object program from disk and loads it into main storage - it's primarily used for a constant table that will be available system-wide.


 

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Q:

How many types of classes are there in Java?

Answer

Two types of classes:


1) Top Level Class


2) Classes within Class


       i) member classes


             a) static member class


             b) non static member class


      ii) local classes


      iii) anonymous classes

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Subject: Java

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Q:

What is the use of overriding?

Answer

- By using method overriding a sub class can change the definition of super class method.


- By using overriding a sub class can modify the functionality of the super class.

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Subject: Java

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Q:

What is the DNS forwarder?

Answer

DNS servers often must communicate with DNS servers outside of the local network. A forwarder is an entry that is used when a DNS server receives DNS queries that it cannot resolve locally. It then forwards those requests to external DNS servers for resolution.

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