Interview Questions

Q:

What is Shallow and deep cloning in Java?

Answer

Cloning refers to creating duplicate copies of objects in java.


Shallow Cloning: Shallow cloning is a bitwise copy of an object. New object is created which is an exact copy that of the original one. In case any objects are referring the fields of these objects, just the references are copied.


Deep Cloning: In deep cloning, complete duplicate copy of the original copy is created. Deep cloning creates not only the primitive values of the original objects but also copies all its sub objects as well.


Clonable interface is used to perform cloning in java.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2187
Q:

What are the different layers of cloud computing?

Answer

Cloud computing consists of 3 layers in the hierarchy and these are as follows:


1. Infrastructure as a Service (IaaS) provides cloud infrastructure in terms of hardware like memory, processor speed etc. 


2. Platform as a Service (PaaS) provides cloud application platform for the developers. 


3. Software as a Service (SaaS) provides cloud applications which are used by the user directly without installing anything on the system. The application remains on the cloud and it can be saved and edited in there only.

Report Error

View answer Workspace Report Error Discuss

Subject: Cloud Computing

0 2187
Q:

Smart money is a term used for

A) Credit cards B) Cash with bank
C) Cash with public D) Internet banking
 
Answer & Explanation Answer: A) Credit cards

Explanation:

Smart money is a term used for credit card.

Report Error

View Answer Report Error Discuss

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

0 2182
Q:

What is Data Integration?

Answer

- The process of combining data from different resources.


- The combined data is provided to the users with unified view.


- Information from different enterprise domains are integrated – known as Enterprise Information Integration.


- Useful for merging information from different technologies among enterprises.


- The sub areas of data integration are 


1. Data Warehousing.


2. Data Migration.


3. Master Data Management.

Report Error

View answer Workspace Report Error Discuss

0 2182
Q:

What are transaction isolation levels supported by Oracle?

Answer

Oracle supports 3 transaction isolation levels: 


- Read committed (default)


- Serializable transactions


- Read only

Report Error

View answer Workspace Report Error Discuss

Subject: Oracle

1 2181
Q:

What are the new attributes provided in HTML5 for "form" tag ?

Answer

The new attributes provided in HTML5 for <form> are: 


a.) autocomplete


– It specifies if a form or input field should have autocomplete as on or off. 


– If autocomplete is on, the browser is able to fill the values based on the values filled by the user earlier. 


– autocomplete works for following input types: text, search, url, tel, email, password, datepickers, range, and color. 


b.) novalidate


- This is a boolean attribute. 


- When present, it signifies that the form-data should not be validated when submitted.

Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology

0 2181
Q:

Why interface data is final?

Answer

bcoz interface does not contains any initializers and constructors to initialize its data members.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2180
Q:

What are the reasons for slow loading of the web page?

Answer

- The web pages that are loading slowly might be using heavy scripts or might be getting loaded on an overloaded server. 


- If the content like flash is used then the web page performs really slowly in comparison to the normal pages that get created. 


- If the caching is inactive on the web browsers and the same web page is getting loaded again and again then the performance get degraded.


- Web pages load slowly due to the content on that page as if it is text it loads faster then the site that is made up of large photographs. 


- It takes longer time for a picture to get rendered and the transmission time also remains higher then the text.

Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology

0 2179