Languages-Java [3i Infotech Placement]: Sample Questions 130 - 132 of 141

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Question 130

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Describe in Detail

Essay▾

Explain version control?

Explanation

Define Version Control
  • Processes and tools to track multiple different versions of software, content, documents, websites and other information in development.
  • Version control provides change tracking and allows users to track changes to files.
  • Is also known as “source control” or “revision control.”
  • Popular system include Subversion and CVS
  • They allow developers to save incremental versions of programs and source code files during development.
  • Some also provide capability to rollback to an earlier version.

Question 131

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Write in Short

Short Answer▾

What is meant by distributed application? Why are we using that in our application?

Explanation

Understanding of Distributed Operating System
  • Distribution application is executed or run on multiple computers within a network.
  • Such applications interact (over network) to achieve a specific goal or task.
    • They can use client-server model where application software runs as either client, or the server that the client accesses.
    • Front end on the client computer requires minimal processing power.

Question 132

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Describe in Detail

Essay▾

What is user defined exception?

Explanation

Define Parts of Java Exceptions
  • User define exception or custom exception handling is done by creating own exception class- object is thrown using ‘throw’ keyword.
  • It can use done by extending the class exception.
  • We can define a constructor for our exception sub class.
  • We can override the toString () function to display our customized message on catch.

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