Interview Questions

Q:

What is different among String, StringBuffer, StringBuilder?

Answer

String class objects are immutable objects and they represents strings( sequence of characters)


StringBuffer class objects are mutable objects representing strings and they are Thread safe


StringBuild class objects are also mutable objects representing strings and they are not Thread safe

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Subject: Java

0 1818
Q:

How to assign address to the reference?

Answer

ClassName refName = new ClassName();


or


ClassName refName;


refName = new ClassName();

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Subject: Java

0 1818
Q:

How does traffic measured in hosting platform?

Answer

- The traffic can be measured using the size of the files that are transferred from one place to another (server-client). 


- It can also be measured by the size of the file that is being requested by the client from the server. 


- The number of visitors arriving on the website also involve in the measurement of the traffic using the web hosting platform. 


- The advertisements of the sites take more bandwidth to allow more number of users to be on the website. 


- More number of users provides higher traffic on the website thus it requires more bandwidth on the web hosting sites.

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Subject: Web Technology

0 1818
Q:

What is the difference between method overriding and overloading?

Answer

Overriding is a method with the same name and arguments as in a parent, whereas overloading is the same method name but different arguments

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Subject: Java

0 1818
Q:

What is a package?

Answer

Package is a collection of related classes and interfaces. package declaration should be first statement in a java class.

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Subject: Java

1 1818
Q:

Devaluation of currency leads to

A) increase in domestic prices B) erratic fluctuations in domestic prices
C) fall in domestic prices D) no impact on domestic prices
 
Answer & Explanation Answer: A) increase in domestic prices

Explanation:
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Filed Under: Bank Interview
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 1817
Q:

What is the relationship between SOA and cloud architecture?

Answer

Service oriented architecture (SOA) is an architectural style that supports service oriented methodology that is being added in the cloud architecture as a mandatory component. Cloud architecture support the use of on-demand access to resources and it provides lots of other facilities that are being found in SOA as well. SOA makes these requirements optional to use. But, to get the full functionality and more performance based efficiency there is a requirement for the mixture of SOA and cloud architecture.

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Subject: Cloud Computing

0 1817
Q:

What is a PL/SQL Record data type?

Answer

A record data type represents a data type for that row in a database table. It lets u define your own records and not your own fields.

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Subject: Oracle

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