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SQL: 1. Sql query:::::::: Sum of the sale for particular date? 1. Product => name, prod_id, 2. Invoice => prod_id, rate, invoice date select sum(amount) from sales…

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.Net Design Patterns Singleton definition Ensure a class has only one instance and provide a global point of access to it. 1 Design Pattern UML class diagram participants…

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ADVANCE JAVA – DESIGN PATTERN 1.Which of the following best describes a Design pattern? a) Provide common communication platform between objects b) Provide good look and…

Software Design Patterns and Usage

1. Design PatternsUsage and ApplicationBy Manas Ranjan Sahoo 2. What is it?1. 23 common problems best accepted solutions1. Started at IBM 19941. Solutions can be successfully…

Technology Apex design patterns

1. Covering 6 Different Design Patterns.Any Queries will be appreciated. 2.  Solving the issue of repeatedly using an object instance and instantiating it once within…

Education Observer & singleton pattern

1. 2 2. 3  Name: Singleton  Intent: Ensure a class has only one instance and provide a global point of access to it  Problem: How can we guarantee that one and only…

Software Design pattern

1. JavaScript Design Patterns 2. Agenda ● What ? ● Types of Design Patterns ● Some comman Anti-Patterns ● Benefits and Disadvantages ● Various Design Patterns 3.…

Technology Factory Method Pattern

1. 02/06/09 Juan Carlos Giraldo CardozoProgramación Multimedia 2. Contenido 02/06/09 Juan Carlos Giraldo CardozoProgramación Multimedia 3. Design Patterns Describing recurring…

Education JAVA design patterns and Basic OOp concepts

1. What is Java? Programming Language Fast Secure Reliable 2. What is Java? Programming Language Fast Secure Reliable 3. Some Facts about JAVA: Developed by JAMES GOSLING…