## What is the pattern in the sequence?

A sequence is an ordered list of numbers . The three dots mean to continue forward in the pattern established. Each number in the sequence is called a term. In the sequence 1, 3, 5, 7, 9, …, 1 is the first term, 3 is the second term, 5 is the third term, and so on.

## How do you classify patterns?

Ways to group (classify) patterns according to their traits, such as:

- symmetry (for example, seventeen planar symmetry types)
- layout type (diamond, drop, gradation, grid, spot, etc.)
- layout arrangement (allover, foulard, etc.)
- pattern directions (one-way, two-way, undirectional, etc.)

## How do you tell if a sequence is a function?

What Sequence and Function Have in Common. A sequence is a type of function. Remember, a function is any formula that can be expressed as “f(x) = x” format, but a sequence only contains integers at or greater than zero.

## What are the most popular design patterns?

Top 5 Popular Software Design Patterns in 2021

- Creational/Singleton.
- Decorator.
- Command Design Pattern.
- Factory Design Pattern.
- The Observer Pattern.

## Which design pattern is used in your project?

To share common data across all tiers we had used the singleton pattern. Factory classes where used between each layer for decoupling and centralizing object creation to avoid code complication. Iterator pattern was used to browse through middle tier objects thus providing a tight encapsulation.

## What is design pattern with example?

Design patterns provide a standard terminology and are specific to particular scenario. For example, a singleton design pattern signifies use of single object so all developers familiar with single design pattern will make use of single object and they can tell each other that program is following a singleton pattern.

## What is the difference between pattern and sequence?

Patterns refer to usual types of procedures or rules that can be followed. come after a set a numbers that are arranged in a particular order. This arrangement of numbers is called a sequence. The numbers that are in the sequence are called terms.

## What are the 5 OOP principles?

Following the SOLID acronym, they are:

- The Single Responsibility Principle.
- The Open-Closed Principle.
- The Liskov Substitution Principle.
- The Interface Segregation Principle.
- The Dependency Inversion Principle.