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What are the wildcards used for pattern matching?

Posted By :Shashi Ray     Posted Date :October 22, 2008    Points :10   Category :Sql Server 
"_" for single character substitution and "%" for multi-character substitution

You can also find related Interview Question to What are the wildcards used for pattern matching?  below: 

What are the wildcards used for pattern matching?

  
_ is used for single character substitution
% is used for multi­character substitution (More...)

What operator performs in pattern matching in SQL Server

  
LIKE operator is used in pattern matching in SQL Server (More...)

Which design pattern should have private or protected constructor?

  
singleton design pattern should have private or protected constructor (More...)

You are designing a single person shooter game application. The player can choose between multiple guns.
1) Pistol with 5 bullets
2) Shotgun with 100 bullets
3) Grenade Launcher with 20 grenades

Each gun will have different sound effects and graphics.

Pressing Ctrl+Space should rotate between guns.
Which design pattern should you employ for this?

  
Use Strategy Pattern.

Explanation: Each gun having different performance and graphics.
So this can be accomodated in the algorithm.

Strategy pattern is best suited for shifting the guns/algorithms

There will be a IGun interface implemented by 3 classes
Pistol : IGun
Shotgun : IGun
GrenadeLauncher : IGun (More...)

What is design pattern?

  
Design pattern are recurring solution to the recurring problem.

There are basically classified in to three categories. They are,
1. Creational pattern
2. Structural pattern
3. Behavioural pattern.
(More...)

Which design pattern to use if i needed to add additional responsibilities at runtime?

  
Decorator Pattern design pattern is use if i needed to add additional responsibilities at runtime (More...)

Which is the design pattern that is type-safe and still extensible on runtime?

  
Decorator Pattern design pattern that is type-safe and still extensible on runtime (More...)

What is Microkernel architectural pattern?

  
Microkernel is a pattern where the core functionalities will be kept minimal and we will use extensible features to provide the additional functionalities.

It is recommended where an application will have different views or tends to change with time. This could be accomplished by keeping the core features unchanged. (More...)

What is a Design Pattern?

  
Design Pattern is a re-usable, high quality solution to a given requirement, task or recurring problem. Further, it does not comprise of a complete solution that may be instantly converted to a code component, rather it provides a framework for how to solve a problem. (More...)

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